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-rw-r--r--Documentation/netlink/specs/rt-addr.yaml1
-rw-r--r--Documentation/netlink/specs/rt-link.yaml2
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-drv.c14
-rw-r--r--drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c1
-rw-r--r--drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c45
-rw-r--r--drivers/net/ethernet/freescale/fman/fman_memac.c91
-rw-r--r--drivers/net/ethernet/freescale/fman/mac.h14
-rw-r--r--drivers/net/ethernet/hisilicon/Kconfig1
-rw-r--r--drivers/net/ethernet/hisilicon/hibmcge/Makefile1
-rw-r--r--drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h8
-rw-r--r--drivers/net/ethernet/hisilicon/hibmcge/hbg_reg.h4
-rw-r--r--drivers/net/ethernet/hisilicon/hibmcge/hbg_trace.h84
-rw-r--r--drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.c217
-rw-r--r--drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c17
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_ethtool.c19
-rw-r--r--drivers/net/ethernet/intel/iavf/iavf_ethtool.c18
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool.c19
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_ethtool.c23
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ethtool.c12
-rw-r--r--drivers/net/ethernet/intel/igc/igc_ethtool.c11
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/ethtool.c14
-rw-r--r--drivers/net/ethernet/meta/Kconfig1
-rw-r--r--drivers/net/ethernet/meta/fbnic/Makefile1
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic.h15
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_csr.h2
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c9
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_irq.c34
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_mac.c81
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_mac.h41
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_mdio.c195
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_netdev.c11
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_netdev.h6
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_pci.c9
-rw-r--r--drivers/net/ethernet/meta/fbnic/fbnic_phylink.c184
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/Kconfig11
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/Makefile1
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c36
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c5
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h1
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c5
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/hwif.h3
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_libpci.c48
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_libpci.h12
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c36
-rw-r--r--drivers/net/ethernet/ti/netcp_ethss.c2
-rw-r--r--drivers/net/pcs/pcs-xpcs.c136
-rw-r--r--drivers/net/phy/bcm-phy-ptp.c21
-rw-r--r--drivers/net/phy/dp83640.c29
-rw-r--r--drivers/net/phy/dp83867.c36
-rw-r--r--drivers/net/phy/micrel.c16
-rw-r--r--drivers/net/phy/microchip_rds_ptp.c8
-rw-r--r--drivers/net/phy/mscc/mscc_ptp.c21
-rw-r--r--drivers/net/phy/nxp-c45-tja11xx.c22
-rw-r--r--drivers/net/phy/phy-c45.c8
-rw-r--r--drivers/net/phy/phy.c14
-rw-r--r--drivers/ptp/ptp_ines.c31
-rw-r--r--include/linux/mii_timestamper.h13
-rw-r--r--include/linux/pcs/pcs-xpcs.h4
-rw-r--r--include/linux/phy.h4
-rw-r--r--include/uapi/linux/mdio.h23
-rw-r--r--net/core/dev_ioctl.c9
-rw-r--r--tools/net/ynl/Makefile8
-rw-r--r--tools/net/ynl/tests/Makefile32
-rw-r--r--tools/net/ynl/tests/config6
-rwxr-xr-xtools/net/ynl/tests/test_ynl_cli.sh327
-rwxr-xr-xtools/net/ynl/tests/test_ynl_ethtool.sh222
-rw-r--r--tools/testing/selftests/net/af_unix/unix_connreset.c1
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_syscall_bad_arg_sendmsg-empty-iov.pkt4
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_basic.pkt2
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_batch.pkt2
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_client.pkt2
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_closed.pkt2
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_edge.pkt3
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_exclusive.pkt3
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_oneshot.pkt3
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_fastopen-client.pkt2
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_fastopen-server.pkt2
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_maxfrags.pkt2
-rw-r--r--tools/testing/selftests/net/packetdrill/tcp_zerocopy_small.pkt2
-rw-r--r--tools/testing/selftests/net/so_txtime.c2
-rw-r--r--tools/testing/selftests/net/txtimestamp.c2
82 files changed, 2016 insertions, 375 deletions
diff --git a/Documentation/netlink/specs/rt-addr.yaml b/Documentation/netlink/specs/rt-addr.yaml
index abcbaa73fa9d..163a106c41bb 100644
--- a/Documentation/netlink/specs/rt-addr.yaml
+++ b/Documentation/netlink/specs/rt-addr.yaml
@@ -97,6 +97,7 @@ attribute-sets:
-
name: broadcast
type: u32
+ byte-order: big-endian
display-hint: ipv4
-
name: anycast
diff --git a/Documentation/netlink/specs/rt-link.yaml b/Documentation/netlink/specs/rt-link.yaml
index ca22c68ca691..6beeb6ee5adf 100644
--- a/Documentation/netlink/specs/rt-link.yaml
+++ b/Documentation/netlink/specs/rt-link.yaml
@@ -1869,6 +1869,7 @@ attribute-sets:
-
name: remote
type: u32
+ byte-order: big-endian
display-hint: ipv4
-
name: ttl
@@ -1987,6 +1988,7 @@ attribute-sets:
-
name: 6rd-relay-prefix
type: u32
+ byte-order: big-endian
display-hint: ipv4
-
name: 6rd-prefixlen
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
index f3adf29b222b..0653e69f0ef7 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c
@@ -1259,6 +1259,11 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
udp_tunnel_nic_reset_ntf(netdev);
+ /* Reset the phy settings */
+ ret = xgbe_phy_reset(pdata);
+ if (ret)
+ goto err_txrx;
+
netif_tx_start_all_queues(netdev);
xgbe_start_timers(pdata);
@@ -1268,6 +1273,10 @@ static int xgbe_start(struct xgbe_prv_data *pdata)
return 0;
+err_txrx:
+ hw_if->disable_rx(pdata);
+ hw_if->disable_tx(pdata);
+
err_irqs:
xgbe_free_irqs(pdata);
@@ -1574,11 +1583,6 @@ static int xgbe_open(struct net_device *netdev)
goto err_dev_wq;
}
- /* Reset the phy settings */
- ret = xgbe_phy_reset(pdata);
- if (ret)
- goto err_an_wq;
-
/* Enable the clocks */
ret = clk_prepare_enable(pdata->sysclk);
if (ret) {
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
index 35a381a83647..a68757e8fd22 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c
@@ -989,6 +989,7 @@ static int xgbe_phy_find_phy_device(struct xgbe_prv_data *pdata)
return ret;
}
phy_data->phydev = phydev;
+ phy_data->phydev->mac_managed_pm = true;
xgbe_phy_external_phy_quirks(pdata);
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
index d09e456f14c0..ed3fa80af8c3 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -467,6 +467,47 @@ revert_values:
return res;
}
+static void dpaa_get_pause_stats(struct net_device *net_dev,
+ struct ethtool_pause_stats *s)
+{
+ struct dpaa_priv *priv = netdev_priv(net_dev);
+ struct mac_device *mac_dev = priv->mac_dev;
+
+ if (mac_dev->get_pause_stats)
+ mac_dev->get_pause_stats(mac_dev->fman_mac, s);
+}
+
+static void dpaa_get_rmon_stats(struct net_device *net_dev,
+ struct ethtool_rmon_stats *s,
+ const struct ethtool_rmon_hist_range **ranges)
+{
+ struct dpaa_priv *priv = netdev_priv(net_dev);
+ struct mac_device *mac_dev = priv->mac_dev;
+
+ if (mac_dev->get_rmon_stats)
+ mac_dev->get_rmon_stats(mac_dev->fman_mac, s, ranges);
+}
+
+static void dpaa_get_eth_ctrl_stats(struct net_device *net_dev,
+ struct ethtool_eth_ctrl_stats *s)
+{
+ struct dpaa_priv *priv = netdev_priv(net_dev);
+ struct mac_device *mac_dev = priv->mac_dev;
+
+ if (mac_dev->get_eth_ctrl_stats)
+ mac_dev->get_eth_ctrl_stats(mac_dev->fman_mac, s);
+}
+
+static void dpaa_get_eth_mac_stats(struct net_device *net_dev,
+ struct ethtool_eth_mac_stats *s)
+{
+ struct dpaa_priv *priv = netdev_priv(net_dev);
+ struct mac_device *mac_dev = priv->mac_dev;
+
+ if (mac_dev->get_eth_mac_stats)
+ mac_dev->get_eth_mac_stats(mac_dev->fman_mac, s);
+}
+
const struct ethtool_ops dpaa_ethtool_ops = {
.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
ETHTOOL_COALESCE_RX_MAX_FRAMES,
@@ -487,4 +528,8 @@ const struct ethtool_ops dpaa_ethtool_ops = {
.get_ts_info = dpaa_get_ts_info,
.get_coalesce = dpaa_get_coalesce,
.set_coalesce = dpaa_set_coalesce,
+ .get_pause_stats = dpaa_get_pause_stats,
+ .get_rmon_stats = dpaa_get_rmon_stats,
+ .get_eth_ctrl_stats = dpaa_get_eth_ctrl_stats,
+ .get_eth_mac_stats = dpaa_get_eth_mac_stats,
};
diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c
index 0291093f2e4e..c84f0336c94c 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.c
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.c
@@ -649,6 +649,7 @@ static u32 memac_if_mode(phy_interface_t interface)
return IF_MODE_GMII | IF_MODE_RGMII;
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_1000BASEX:
+ case PHY_INTERFACE_MODE_2500BASEX:
case PHY_INTERFACE_MODE_QSGMII:
return IF_MODE_GMII;
case PHY_INTERFACE_MODE_10GBASER:
@@ -667,6 +668,7 @@ static struct phylink_pcs *memac_select_pcs(struct phylink_config *config,
switch (iface) {
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_1000BASEX:
+ case PHY_INTERFACE_MODE_2500BASEX:
return memac->sgmii_pcs;
case PHY_INTERFACE_MODE_QSGMII:
return memac->qsgmii_pcs;
@@ -685,6 +687,7 @@ static int memac_prepare(struct phylink_config *config, unsigned int mode,
switch (iface) {
case PHY_INTERFACE_MODE_SGMII:
case PHY_INTERFACE_MODE_1000BASEX:
+ case PHY_INTERFACE_MODE_2500BASEX:
case PHY_INTERFACE_MODE_QSGMII:
case PHY_INTERFACE_MODE_10GBASER:
return phy_set_mode_ext(memac->serdes, PHY_MODE_ETHERNET,
@@ -897,6 +900,89 @@ static int memac_set_exception(struct fman_mac *memac,
return 0;
}
+static u64 memac_read64(void __iomem *reg)
+{
+ u32 low, high, tmp;
+
+ do {
+ high = ioread32be(reg + 4);
+ low = ioread32be(reg);
+ tmp = ioread32be(reg + 4);
+ } while (high != tmp);
+
+ return ((u64)high << 32) | low;
+}
+
+static void memac_get_pause_stats(struct fman_mac *memac,
+ struct ethtool_pause_stats *s)
+{
+ s->tx_pause_frames = memac_read64(&memac->regs->txpf_l);
+ s->rx_pause_frames = memac_read64(&memac->regs->rxpf_l);
+}
+
+static const struct ethtool_rmon_hist_range memac_rmon_ranges[] = {
+ { 64, 64 },
+ { 65, 127 },
+ { 128, 255 },
+ { 256, 511 },
+ { 512, 1023 },
+ { 1024, 1518 },
+ { 1519, 9600 },
+ {},
+};
+
+static void memac_get_rmon_stats(struct fman_mac *memac,
+ struct ethtool_rmon_stats *s,
+ const struct ethtool_rmon_hist_range **ranges)
+{
+ s->undersize_pkts = memac_read64(&memac->regs->rund_l);
+ s->oversize_pkts = memac_read64(&memac->regs->rovr_l);
+ s->fragments = memac_read64(&memac->regs->rfrg_l);
+ s->jabbers = memac_read64(&memac->regs->rjbr_l);
+
+ s->hist[0] = memac_read64(&memac->regs->r64_l);
+ s->hist[1] = memac_read64(&memac->regs->r127_l);
+ s->hist[2] = memac_read64(&memac->regs->r255_l);
+ s->hist[3] = memac_read64(&memac->regs->r511_l);
+ s->hist[4] = memac_read64(&memac->regs->r1023_l);
+ s->hist[5] = memac_read64(&memac->regs->r1518_l);
+ s->hist[6] = memac_read64(&memac->regs->r1519x_l);
+
+ s->hist_tx[0] = memac_read64(&memac->regs->t64_l);
+ s->hist_tx[1] = memac_read64(&memac->regs->t127_l);
+ s->hist_tx[2] = memac_read64(&memac->regs->t255_l);
+ s->hist_tx[3] = memac_read64(&memac->regs->t511_l);
+ s->hist_tx[4] = memac_read64(&memac->regs->t1023_l);
+ s->hist_tx[5] = memac_read64(&memac->regs->t1518_l);
+ s->hist_tx[6] = memac_read64(&memac->regs->t1519x_l);
+
+ *ranges = memac_rmon_ranges;
+}
+
+static void memac_get_eth_ctrl_stats(struct fman_mac *memac,
+ struct ethtool_eth_ctrl_stats *s)
+{
+ s->MACControlFramesTransmitted = memac_read64(&memac->regs->tcnp_l);
+ s->MACControlFramesReceived = memac_read64(&memac->regs->rcnp_l);
+}
+
+static void memac_get_eth_mac_stats(struct fman_mac *memac,
+ struct ethtool_eth_mac_stats *s)
+{
+ s->FramesTransmittedOK = memac_read64(&memac->regs->tfrm_l);
+ s->FramesReceivedOK = memac_read64(&memac->regs->rfrm_l);
+ s->FrameCheckSequenceErrors = memac_read64(&memac->regs->rfcs_l);
+ s->AlignmentErrors = memac_read64(&memac->regs->raln_l);
+ s->OctetsTransmittedOK = memac_read64(&memac->regs->teoct_l);
+ s->FramesLostDueToIntMACXmitError = memac_read64(&memac->regs->terr_l);
+ s->OctetsReceivedOK = memac_read64(&memac->regs->reoct_l);
+ s->FramesLostDueToIntMACRcvError = memac_read64(&memac->regs->rdrntp_l);
+ s->MulticastFramesXmittedOK = memac_read64(&memac->regs->tmca_l);
+ s->BroadcastFramesXmittedOK = memac_read64(&memac->regs->tbca_l);
+ s->MulticastFramesReceivedOK = memac_read64(&memac->regs->rmca_l);
+ s->BroadcastFramesReceivedOK = memac_read64(&memac->regs->rbca_l);
+}
+
static int memac_init(struct fman_mac *memac)
{
struct memac_cfg *memac_drv_param;
@@ -1089,6 +1175,10 @@ int memac_initialization(struct mac_device *mac_dev,
mac_dev->set_tstamp = memac_set_tstamp;
mac_dev->enable = memac_enable;
mac_dev->disable = memac_disable;
+ mac_dev->get_pause_stats = memac_get_pause_stats;
+ mac_dev->get_rmon_stats = memac_get_rmon_stats;
+ mac_dev->get_eth_ctrl_stats = memac_get_eth_ctrl_stats;
+ mac_dev->get_eth_mac_stats = memac_get_eth_mac_stats;
mac_dev->fman_mac = memac_config(mac_dev, params);
if (!mac_dev->fman_mac)
@@ -1226,6 +1316,7 @@ int memac_initialization(struct mac_device *mac_dev,
* those configurations modes don't use in-band autonegotiation.
*/
if (!of_property_present(mac_node, "managed") &&
+ mac_dev->phy_if != PHY_INTERFACE_MODE_2500BASEX &&
mac_dev->phy_if != PHY_INTERFACE_MODE_MII &&
!phy_interface_mode_is_rgmii(mac_dev->phy_if))
mac_dev->phylink_config.default_an_inband = true;
diff --git a/drivers/net/ethernet/freescale/fman/mac.h b/drivers/net/ethernet/freescale/fman/mac.h
index 955ace338965..63c2c5b4f99e 100644
--- a/drivers/net/ethernet/freescale/fman/mac.h
+++ b/drivers/net/ethernet/freescale/fman/mac.h
@@ -16,6 +16,11 @@
#include "fman.h"
#include "fman_mac.h"
+struct ethtool_eth_ctrl_stats;
+struct ethtool_eth_mac_stats;
+struct ethtool_pause_stats;
+struct ethtool_rmon_stats;
+struct ethtool_rmon_hist_range;
struct fman_mac;
struct mac_priv_s;
@@ -46,6 +51,15 @@ struct mac_device {
enet_addr_t *eth_addr);
int (*remove_hash_mac_addr)(struct fman_mac *mac_dev,
enet_addr_t *eth_addr);
+ void (*get_pause_stats)(struct fman_mac *memac,
+ struct ethtool_pause_stats *s);
+ void (*get_rmon_stats)(struct fman_mac *memac,
+ struct ethtool_rmon_stats *s,
+ const struct ethtool_rmon_hist_range **ranges);
+ void (*get_eth_ctrl_stats)(struct fman_mac *memac,
+ struct ethtool_eth_ctrl_stats *s);
+ void (*get_eth_mac_stats)(struct fman_mac *memac,
+ struct ethtool_eth_mac_stats *s);
void (*update_speed)(struct mac_device *mac_dev, int speed);
diff --git a/drivers/net/ethernet/hisilicon/Kconfig b/drivers/net/ethernet/hisilicon/Kconfig
index 38875c196cb6..18eca7d12c20 100644
--- a/drivers/net/ethernet/hisilicon/Kconfig
+++ b/drivers/net/ethernet/hisilicon/Kconfig
@@ -151,6 +151,7 @@ config HIBMCGE
select FIXED_PHY
select MOTORCOMM_PHY
select REALTEK_PHY
+ select PAGE_POOL
help
If you wish to compile a kernel for a BMC with HIBMC-xx_gmac
then you should answer Y to this. This makes this driver suitable for use
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/Makefile b/drivers/net/ethernet/hisilicon/hibmcge/Makefile
index 1a9da564b306..d6610ba16855 100644
--- a/drivers/net/ethernet/hisilicon/hibmcge/Makefile
+++ b/drivers/net/ethernet/hisilicon/hibmcge/Makefile
@@ -3,6 +3,7 @@
# Makefile for the HISILICON BMC GE network device drivers.
#
+ccflags-y += -I$(src)
obj-$(CONFIG_HIBMCGE) += hibmcge.o
hibmcge-objs = hbg_main.o hbg_hw.o hbg_mdio.o hbg_irq.o hbg_txrx.o hbg_ethtool.o \
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h b/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h
index 2097e4c2b3d7..8e134da3e217 100644
--- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_common.h
@@ -7,6 +7,7 @@
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/pci.h>
+#include <net/page_pool/helpers.h>
#include "hbg_reg.h"
#define HBG_STATUS_DISABLE 0x0
@@ -55,6 +56,12 @@ struct hbg_buffer {
dma_addr_t skb_dma;
u32 skb_len;
+ struct page *page;
+ void *page_addr;
+ dma_addr_t page_dma;
+ u32 page_size;
+ u32 page_offset;
+
enum hbg_dir dir;
struct hbg_ring *ring;
struct hbg_priv *priv;
@@ -78,6 +85,7 @@ struct hbg_ring {
struct hbg_priv *priv;
struct napi_struct napi;
char *tout_log_buf; /* tx timeout log buffer */
+ struct page_pool *page_pool; /* only for rx */
};
enum hbg_hw_event_type {
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_reg.h b/drivers/net/ethernet/hisilicon/hibmcge/hbg_reg.h
index a39d1e796e4a..30b3903c8f2d 100644
--- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_reg.h
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_reg.h
@@ -252,6 +252,8 @@ struct hbg_rx_desc {
#define HBG_RX_DESC_W2_PKT_LEN_M GENMASK(31, 16)
#define HBG_RX_DESC_W2_PORT_NUM_M GENMASK(15, 12)
+#define HBG_RX_DESC_W3_IP_OFFSET_M GENMASK(23, 16)
+#define HBG_RX_DESC_W3_VLAN_M GENMASK(15, 0)
#define HBG_RX_DESC_W4_IP_TCP_UDP_M GENMASK(31, 30)
#define HBG_RX_DESC_W4_IPSEC_B BIT(29)
#define HBG_RX_DESC_W4_IP_VERSION_B BIT(28)
@@ -269,6 +271,8 @@ struct hbg_rx_desc {
#define HBG_RX_DESC_W4_L3_ERR_CODE_M GENMASK(12, 9)
#define HBG_RX_DESC_W4_L2_ERR_B BIT(8)
#define HBG_RX_DESC_W4_IDX_MATCH_B BIT(7)
+#define HBG_RX_DESC_W4_PARSE_MODE_M GENMASK(6, 5)
+#define HBG_RX_DESC_W5_VALID_SIZE_M GENMASK(15, 0)
enum hbg_l3_err_code {
HBG_L3_OK = 0,
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_trace.h b/drivers/net/ethernet/hisilicon/hibmcge/hbg_trace.h
new file mode 100644
index 000000000000..b70fd960da8d
--- /dev/null
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_trace.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/* Copyright (c) 2025 Hisilicon Limited. */
+
+/* This must be outside ifdef _HBG_TRACE_H */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hibmcge
+
+#if !defined(_HBG_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
+#define _HBG_TRACE_H_
+
+#include <linux/bitfield.h>
+#include <linux/pci.h>
+#include <linux/tracepoint.h>
+#include <linux/types.h>
+#include "hbg_reg.h"
+
+TRACE_EVENT(hbg_rx_desc,
+ TP_PROTO(struct hbg_priv *priv, u32 index,
+ struct hbg_rx_desc *rx_desc),
+ TP_ARGS(priv, index, rx_desc),
+
+ TP_STRUCT__entry(__field(u32, index)
+ __field(u8, port_num)
+ __field(u8, ip_offset)
+ __field(u8, parse_mode)
+ __field(u8, l4_error_code)
+ __field(u8, l3_error_code)
+ __field(u8, l2_error_code)
+ __field(u16, packet_len)
+ __field(u16, valid_size)
+ __field(u16, vlan)
+ __string(pciname, pci_name(priv->pdev))
+ __string(devname, priv->netdev->name)
+ ),
+
+ TP_fast_assign(__entry->index = index,
+ __entry->packet_len =
+ FIELD_GET(HBG_RX_DESC_W2_PKT_LEN_M,
+ rx_desc->word2);
+ __entry->port_num =
+ FIELD_GET(HBG_RX_DESC_W2_PORT_NUM_M,
+ rx_desc->word2);
+ __entry->ip_offset =
+ FIELD_GET(HBG_RX_DESC_W3_IP_OFFSET_M,
+ rx_desc->word3);
+ __entry->vlan =
+ FIELD_GET(HBG_RX_DESC_W3_VLAN_M,
+ rx_desc->word3);
+ __entry->parse_mode =
+ FIELD_GET(HBG_RX_DESC_W4_PARSE_MODE_M,
+ rx_desc->word4);
+ __entry->l4_error_code =
+ FIELD_GET(HBG_RX_DESC_W4_L4_ERR_CODE_M,
+ rx_desc->word4);
+ __entry->l3_error_code =
+ FIELD_GET(HBG_RX_DESC_W4_L3_ERR_CODE_M,
+ rx_desc->word4);
+ __entry->l2_error_code =
+ FIELD_GET(HBG_RX_DESC_W4_L2_ERR_B,
+ rx_desc->word4);
+ __entry->valid_size =
+ FIELD_GET(HBG_RX_DESC_W5_VALID_SIZE_M,
+ rx_desc->word5);
+ __assign_str(pciname);
+ __assign_str(devname);
+ ),
+
+ TP_printk("%s %s index:%u, port num:%u, len:%u, valid size:%u, ip_offset:%u, vlan:0x%04x, parse mode:%u, l4_err:0x%x, l3_err:0x%x, l2_err:0x%x",
+ __get_str(pciname), __get_str(devname), __entry->index,
+ __entry->port_num, __entry->packet_len,
+ __entry->valid_size, __entry->ip_offset, __entry->vlan,
+ __entry->parse_mode, __entry->l4_error_code,
+ __entry->l3_error_code, __entry->l2_error_code
+ )
+);
+
+#endif /* _HBG_TRACE_H_ */
+
+/* This must be outside ifdef _HBG_TRACE_H */
+#undef TRACE_INCLUDE_PATH
+#define TRACE_INCLUDE_PATH .
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_FILE hbg_trace
+#include <trace/define_trace.h>
diff --git a/drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.c b/drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.c
index 8d814c8f19ea..a4ea92c31c2f 100644
--- a/drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.c
+++ b/drivers/net/ethernet/hisilicon/hibmcge/hbg_txrx.c
@@ -7,6 +7,9 @@
#include "hbg_reg.h"
#include "hbg_txrx.h"
+#define CREATE_TRACE_POINTS
+#include "hbg_trace.h"
+
#define netdev_get_tx_ring(netdev) \
(&(((struct hbg_priv *)netdev_priv(netdev))->tx_ring))
@@ -28,6 +31,11 @@
typeof(ring) _ring = (ring); \
_ring->p = hbg_queue_next_prt(_ring->p, _ring); })
+#define hbg_get_page_order(ring) ({ \
+ typeof(ring) _ring = (ring); \
+ get_order(hbg_spec_max_frame_len(_ring->priv, _ring->dir)); })
+#define hbg_get_page_size(ring) (PAGE_SIZE << hbg_get_page_order((ring)))
+
#define HBG_TX_STOP_THRS 2
#define HBG_TX_START_THRS (2 * HBG_TX_STOP_THRS)
@@ -62,6 +70,43 @@ static void hbg_dma_unmap(struct hbg_buffer *buffer)
buffer->skb_dma = 0;
}
+static void hbg_buffer_free_page(struct hbg_buffer *buffer)
+{
+ struct hbg_ring *ring = buffer->ring;
+
+ if (unlikely(!buffer->page))
+ return;
+
+ page_pool_put_full_page(ring->page_pool, buffer->page, false);
+
+ buffer->page = NULL;
+ buffer->page_dma = 0;
+ buffer->page_addr = NULL;
+ buffer->page_size = 0;
+ buffer->page_offset = 0;
+}
+
+static int hbg_buffer_alloc_page(struct hbg_buffer *buffer)
+{
+ struct hbg_ring *ring = buffer->ring;
+ u32 len = hbg_get_page_size(ring);
+ u32 offset;
+
+ if (unlikely(!ring->page_pool))
+ return 0;
+
+ buffer->page = page_pool_dev_alloc_frag(ring->page_pool, &offset, len);
+ if (unlikely(!buffer->page))
+ return -ENOMEM;
+
+ buffer->page_dma = page_pool_get_dma_addr(buffer->page) + offset;
+ buffer->page_addr = page_address(buffer->page) + offset;
+ buffer->page_size = len;
+ buffer->page_offset = offset;
+
+ return 0;
+}
+
static void hbg_init_tx_desc(struct hbg_buffer *buffer,
struct hbg_tx_desc *tx_desc)
{
@@ -135,24 +180,14 @@ static void hbg_buffer_free_skb(struct hbg_buffer *buffer)
buffer->skb = NULL;
}
-static int hbg_buffer_alloc_skb(struct hbg_buffer *buffer)
-{
- u32 len = hbg_spec_max_frame_len(buffer->priv, buffer->dir);
- struct hbg_priv *priv = buffer->priv;
-
- buffer->skb = netdev_alloc_skb(priv->netdev, len);
- if (unlikely(!buffer->skb))
- return -ENOMEM;
-
- buffer->skb_len = len;
- memset(buffer->skb->data, 0, HBG_PACKET_HEAD_SIZE);
- return 0;
-}
-
static void hbg_buffer_free(struct hbg_buffer *buffer)
{
- hbg_dma_unmap(buffer);
- hbg_buffer_free_skb(buffer);
+ if (buffer->skb) {
+ hbg_dma_unmap(buffer);
+ return hbg_buffer_free_skb(buffer);
+ }
+
+ hbg_buffer_free_page(buffer);
}
static int hbg_napi_tx_recycle(struct napi_struct *napi, int budget)
@@ -374,25 +409,44 @@ static int hbg_rx_fill_one_buffer(struct hbg_priv *priv)
struct hbg_buffer *buffer;
int ret;
- if (hbg_queue_is_full(ring->ntc, ring->ntu, ring))
+ if (hbg_queue_is_full(ring->ntc, ring->ntu, ring) ||
+ hbg_fifo_is_full(priv, ring->dir))
return 0;
buffer = &ring->queue[ring->ntu];
- ret = hbg_buffer_alloc_skb(buffer);
+ ret = hbg_buffer_alloc_page(buffer);
if (unlikely(ret))
return ret;
- ret = hbg_dma_map(buffer);
- if (unlikely(ret)) {
- hbg_buffer_free_skb(buffer);
- return ret;
- }
+ memset(buffer->page_addr, 0, HBG_PACKET_HEAD_SIZE);
+ dma_sync_single_for_device(&priv->pdev->dev, buffer->page_dma,
+ HBG_PACKET_HEAD_SIZE, DMA_TO_DEVICE);
- hbg_hw_fill_buffer(priv, buffer->skb_dma);
+ hbg_hw_fill_buffer(priv, buffer->page_dma);
hbg_queue_move_next(ntu, ring);
return 0;
}
+static int hbg_rx_fill_buffers(struct hbg_priv *priv)
+{
+ u32 remained = hbg_hw_get_fifo_used_num(priv, HBG_DIR_RX);
+ u32 max_count = priv->dev_specs.rx_fifo_num;
+ u32 refill_count;
+ int ret;
+
+ if (unlikely(remained >= max_count))
+ return 0;
+
+ refill_count = max_count - remained;
+ while (refill_count--) {
+ ret = hbg_rx_fill_one_buffer(priv);
+ if (unlikely(ret))
+ break;
+ }
+
+ return ret;
+}
+
static bool hbg_sync_data_from_hw(struct hbg_priv *priv,
struct hbg_buffer *buffer)
{
@@ -401,13 +455,29 @@ static bool hbg_sync_data_from_hw(struct hbg_priv *priv,
/* make sure HW write desc complete */
dma_rmb();
- dma_sync_single_for_cpu(&priv->pdev->dev, buffer->skb_dma,
- buffer->skb_len, DMA_FROM_DEVICE);
+ dma_sync_single_for_cpu(&priv->pdev->dev, buffer->page_dma,
+ buffer->page_size, DMA_FROM_DEVICE);
- rx_desc = (struct hbg_rx_desc *)buffer->skb->data;
+ rx_desc = (struct hbg_rx_desc *)buffer->page_addr;
return FIELD_GET(HBG_RX_DESC_W2_PKT_LEN_M, rx_desc->word2) != 0;
}
+static int hbg_build_skb(struct hbg_priv *priv,
+ struct hbg_buffer *buffer, u32 pkt_len)
+{
+ net_prefetch(buffer->page_addr);
+
+ buffer->skb = napi_build_skb(buffer->page_addr, buffer->page_size);
+ if (unlikely(!buffer->skb))
+ return -ENOMEM;
+ skb_mark_for_recycle(buffer->skb);
+
+ /* page will be freed together with the skb */
+ buffer->page = NULL;
+
+ return 0;
+}
+
static int hbg_napi_rx_poll(struct napi_struct *napi, int budget)
{
struct hbg_ring *ring = container_of(napi, struct hbg_ring, napi);
@@ -417,33 +487,39 @@ static int hbg_napi_rx_poll(struct napi_struct *napi, int budget)
u32 packet_done = 0;
u32 pkt_len;
+ hbg_rx_fill_buffers(priv);
while (packet_done < budget) {
if (unlikely(hbg_queue_is_empty(ring->ntc, ring->ntu, ring)))
break;
buffer = &ring->queue[ring->ntc];
- if (unlikely(!buffer->skb))
+ if (unlikely(!buffer->page))
goto next_buffer;
if (unlikely(!hbg_sync_data_from_hw(priv, buffer)))
break;
- rx_desc = (struct hbg_rx_desc *)buffer->skb->data;
+ rx_desc = (struct hbg_rx_desc *)buffer->page_addr;
pkt_len = FIELD_GET(HBG_RX_DESC_W2_PKT_LEN_M, rx_desc->word2);
+ trace_hbg_rx_desc(priv, ring->ntc, rx_desc);
+
+ if (unlikely(hbg_build_skb(priv, buffer, pkt_len))) {
+ hbg_buffer_free_page(buffer);
+ goto next_buffer;
+ }
if (unlikely(!hbg_rx_pkt_check(priv, rx_desc, buffer->skb))) {
- hbg_buffer_free(buffer);
+ hbg_buffer_free_skb(buffer);
goto next_buffer;
}
- hbg_dma_unmap(buffer);
skb_reserve(buffer->skb, HBG_PACKET_HEAD_SIZE + NET_IP_ALIGN);
skb_put(buffer->skb, pkt_len);
buffer->skb->protocol = eth_type_trans(buffer->skb,
priv->netdev);
-
dev_sw_netstats_rx_add(priv->netdev, pkt_len);
napi_gro_receive(napi, buffer->skb);
buffer->skb = NULL;
+ buffer->page = NULL;
next_buffer:
hbg_rx_fill_one_buffer(priv);
@@ -458,6 +534,42 @@ next_buffer:
return packet_done;
}
+static void hbg_ring_page_pool_destory(struct hbg_ring *ring)
+{
+ if (!ring->page_pool)
+ return;
+
+ page_pool_destroy(ring->page_pool);
+ ring->page_pool = NULL;
+}
+
+static int hbg_ring_page_pool_init(struct hbg_priv *priv, struct hbg_ring *ring)
+{
+ u32 buf_size = hbg_spec_max_frame_len(priv, ring->dir);
+ struct page_pool_params pp_params = {
+ .flags = PP_FLAG_DMA_MAP | PP_FLAG_DMA_SYNC_DEV,
+ .order = hbg_get_page_order(ring),
+ .pool_size = ring->len * buf_size / hbg_get_page_size(ring),
+ .nid = dev_to_node(&priv->pdev->dev),
+ .dev = &priv->pdev->dev,
+ .napi = &ring->napi,
+ .dma_dir = DMA_FROM_DEVICE,
+ .offset = 0,
+ .max_len = hbg_get_page_size(ring),
+ };
+ int ret = 0;
+
+ ring->page_pool = page_pool_create(&pp_params);
+ if (IS_ERR(ring->page_pool)) {
+ ret = PTR_ERR(ring->page_pool);
+ dev_err(&priv->pdev->dev,
+ "failed to create page pool, ret = %d\n", ret);
+ ring->page_pool = NULL;
+ }
+
+ return ret;
+}
+
static void hbg_ring_uninit(struct hbg_ring *ring)
{
struct hbg_buffer *buffer;
@@ -476,6 +588,7 @@ static void hbg_ring_uninit(struct hbg_ring *ring)
buffer->priv = NULL;
}
+ hbg_ring_page_pool_destory(ring);
dma_free_coherent(&ring->priv->pdev->dev,
ring->len * sizeof(*ring->queue),
ring->queue, ring->queue_dma);
@@ -491,8 +604,19 @@ static int hbg_ring_init(struct hbg_priv *priv, struct hbg_ring *ring,
{
struct hbg_buffer *buffer;
u32 i, len;
+ int ret;
len = hbg_get_spec_fifo_max_num(priv, dir) + 1;
+ /* To improve receiving performance under high-stress scenarios,
+ * in the `hbg_napi_rx_poll()`, we first use the other half of
+ * the buffer to receive packets from the hardware via the
+ * `hbg_rx_fill_buffers()`, and then process the packets in the
+ * original half of the buffer to avoid packet loss caused by
+ * hardware overflow as much as possible.
+ */
+ if (dir == HBG_DIR_RX)
+ len += hbg_get_spec_fifo_max_num(priv, dir);
+
ring->queue = dma_alloc_coherent(&priv->pdev->dev,
len * sizeof(*ring->queue),
&ring->queue_dma, GFP_KERNEL);
@@ -514,11 +638,23 @@ static int hbg_ring_init(struct hbg_priv *priv, struct hbg_ring *ring,
ring->ntu = 0;
ring->len = len;
- if (dir == HBG_DIR_TX)
+ if (dir == HBG_DIR_TX) {
netif_napi_add_tx(priv->netdev, &ring->napi, napi_poll);
- else
+ } else {
netif_napi_add(priv->netdev, &ring->napi, napi_poll);
+ ret = hbg_ring_page_pool_init(priv, ring);
+ if (ret) {
+ netif_napi_del(&ring->napi);
+ dma_free_coherent(&ring->priv->pdev->dev,
+ ring->len * sizeof(*ring->queue),
+ ring->queue, ring->queue_dma);
+ ring->queue = NULL;
+ ring->len = 0;
+ return ret;
+ }
+ }
+
napi_enable(&ring->napi);
return 0;
}
@@ -541,21 +677,16 @@ static int hbg_tx_ring_init(struct hbg_priv *priv)
static int hbg_rx_ring_init(struct hbg_priv *priv)
{
int ret;
- u32 i;
ret = hbg_ring_init(priv, &priv->rx_ring, hbg_napi_rx_poll, HBG_DIR_RX);
if (ret)
return ret;
- for (i = 0; i < priv->rx_ring.len - 1; i++) {
- ret = hbg_rx_fill_one_buffer(priv);
- if (ret) {
- hbg_ring_uninit(&priv->rx_ring);
- return ret;
- }
- }
+ ret = hbg_rx_fill_buffers(priv);
+ if (ret)
+ hbg_ring_uninit(&priv->rx_ring);
- return 0;
+ return ret;
}
int hbg_txrx_init(struct hbg_priv *priv)
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c b/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c
index bf2029144c1d..76e42abca965 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_ethtool.c
@@ -734,22 +734,11 @@ static int fm10k_get_rssh_fields(struct net_device *dev,
return 0;
}
-static int fm10k_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
- u32 __always_unused *rule_locs)
+static u32 fm10k_get_rx_ring_count(struct net_device *dev)
{
struct fm10k_intfc *interface = netdev_priv(dev);
- int ret = -EOPNOTSUPP;
- switch (cmd->cmd) {
- case ETHTOOL_GRXRINGS:
- cmd->data = interface->num_rx_queues;
- ret = 0;
- break;
- default:
- break;
- }
-
- return ret;
+ return interface->num_rx_queues;
}
static int fm10k_set_rssh_fields(struct net_device *dev,
@@ -1160,7 +1149,7 @@ static const struct ethtool_ops fm10k_ethtool_ops = {
.set_ringparam = fm10k_set_ringparam,
.get_coalesce = fm10k_get_coalesce,
.set_coalesce = fm10k_set_coalesce,
- .get_rxnfc = fm10k_get_rxnfc,
+ .get_rx_ring_count = fm10k_get_rx_ring_count,
.get_regs = fm10k_get_regs,
.get_regs_len = fm10k_get_regs_len,
.self_test = fm10k_self_test,
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 86c72596617a..f2c2646ea298 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -3522,6 +3522,20 @@ no_input_set:
}
/**
+ * i40e_get_rx_ring_count - get RX ring count
+ * @netdev: network interface device structure
+ *
+ * Return: number of RX rings.
+ **/
+static u32 i40e_get_rx_ring_count(struct net_device *netdev)
+{
+ struct i40e_netdev_priv *np = netdev_priv(netdev);
+ struct i40e_vsi *vsi = np->vsi;
+
+ return vsi->rss_size;
+}
+
+/**
* i40e_get_rxnfc - command to get RX flow classification rules
* @netdev: network interface device structure
* @cmd: ethtool rxnfc command
@@ -3538,10 +3552,6 @@ static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
int ret = -EOPNOTSUPP;
switch (cmd->cmd) {
- case ETHTOOL_GRXRINGS:
- cmd->data = vsi->rss_size;
- ret = 0;
- break;
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = pf->fdir_pf_active_filters;
/* report total rule count */
@@ -5819,6 +5829,7 @@ static const struct ethtool_ops i40e_ethtool_ops = {
.set_msglevel = i40e_set_msglevel,
.get_rxnfc = i40e_get_rxnfc,
.set_rxnfc = i40e_set_rxnfc,
+ .get_rx_ring_count = i40e_get_rx_ring_count,
.self_test = i40e_diag_test,
.get_strings = i40e_get_strings,
.get_eee = i40e_get_eee,
diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
index a3f8ced23266..2cc21289a707 100644
--- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c
@@ -1639,6 +1639,19 @@ static int iavf_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
}
/**
+ * iavf_get_rx_ring_count - get RX ring count
+ * @netdev: network interface device structure
+ *
+ * Return: number of RX rings.
+ **/
+static u32 iavf_get_rx_ring_count(struct net_device *netdev)
+{
+ struct iavf_adapter *adapter = netdev_priv(netdev);
+
+ return adapter->num_active_queues;
+}
+
+/**
* iavf_get_rxnfc - command to get RX flow classification rules
* @netdev: network interface device structure
* @cmd: ethtool rxnfc command
@@ -1653,10 +1666,6 @@ static int iavf_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
int ret = -EOPNOTSUPP;
switch (cmd->cmd) {
- case ETHTOOL_GRXRINGS:
- cmd->data = adapter->num_active_queues;
- ret = 0;
- break;
case ETHTOOL_GRXCLSRLCNT:
if (!(adapter->flags & IAVF_FLAG_FDIR_ENABLED))
break;
@@ -1866,6 +1875,7 @@ static const struct ethtool_ops iavf_ethtool_ops = {
.set_per_queue_coalesce = iavf_set_per_queue_coalesce,
.set_rxnfc = iavf_set_rxnfc,
.get_rxnfc = iavf_get_rxnfc,
+ .get_rx_ring_count = iavf_get_rx_ring_count,
.get_rxfh_indir_size = iavf_get_rxfh_indir_size,
.get_rxfh = iavf_get_rxfh,
.set_rxfh = iavf_set_rxfh,
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index a1d9abee97e5..969d4f8f9c02 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -3084,6 +3084,20 @@ static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
}
/**
+ * ice_get_rx_ring_count - get RX ring count
+ * @netdev: network interface device structure
+ *
+ * Return: number of RX rings.
+ */
+static u32 ice_get_rx_ring_count(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+
+ return vsi->rss_size;
+}
+
+/**
* ice_get_rxnfc - command to get Rx flow classification rules
* @netdev: network interface device structure
* @cmd: ethtool rxnfc command
@@ -3103,10 +3117,6 @@ ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
hw = &vsi->back->hw;
switch (cmd->cmd) {
- case ETHTOOL_GRXRINGS:
- cmd->data = vsi->rss_size;
- ret = 0;
- break;
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = hw->fdir_active_fltr;
/* report total rule count */
@@ -4853,6 +4863,7 @@ static const struct ethtool_ops ice_ethtool_ops = {
.get_sset_count = ice_get_sset_count,
.get_rxnfc = ice_get_rxnfc,
.set_rxnfc = ice_set_rxnfc,
+ .get_rx_ring_count = ice_get_rx_ring_count,
.get_ringparam = ice_get_ringparam,
.set_ringparam = ice_set_ringparam,
.nway_reset = ice_nway_reset,
diff --git a/drivers/net/ethernet/intel/idpf/idpf_ethtool.c b/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
index a5a1eec9ade8..5dd82b1349c5 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_ethtool.c
@@ -6,6 +6,25 @@
#include "idpf_virtchnl.h"
/**
+ * idpf_get_rx_ring_count - get RX ring count
+ * @netdev: network interface device structure
+ *
+ * Return: number of RX rings.
+ */
+static u32 idpf_get_rx_ring_count(struct net_device *netdev)
+{
+ struct idpf_vport *vport;
+ u32 num_rxq;
+
+ idpf_vport_ctrl_lock(netdev);
+ vport = idpf_netdev_to_vport(netdev);
+ num_rxq = vport->num_rxq;
+ idpf_vport_ctrl_unlock(netdev);
+
+ return num_rxq;
+}
+
+/**
* idpf_get_rxnfc - command to get RX flow classification rules
* @netdev: network interface device structure
* @cmd: ethtool rxnfc command
@@ -28,9 +47,6 @@ static int idpf_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
user_config = &np->adapter->vport_config[np->vport_idx]->user_config;
switch (cmd->cmd) {
- case ETHTOOL_GRXRINGS:
- cmd->data = vport->num_rxq;
- break;
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = user_config->num_fsteer_fltrs;
cmd->data = idpf_fsteer_max_rules(vport);
@@ -1757,6 +1773,7 @@ static const struct ethtool_ops idpf_ethtool_ops = {
.get_channels = idpf_get_channels,
.get_rxnfc = idpf_get_rxnfc,
.set_rxnfc = idpf_set_rxnfc,
+ .get_rx_ring_count = idpf_get_rx_ring_count,
.get_rxfh_key_size = idpf_get_rxfh_key_size,
.get_rxfh_indir_size = idpf_get_rxfh_indir_size,
.get_rxfh = idpf_get_rxfh,
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 10e2445e0ded..b507576b28b2 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -2541,6 +2541,13 @@ static int igb_get_rxfh_fields(struct net_device *dev,
return 0;
}
+static u32 igb_get_rx_ring_count(struct net_device *dev)
+{
+ struct igb_adapter *adapter = netdev_priv(dev);
+
+ return adapter->num_rx_queues;
+}
+
static int igb_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
u32 *rule_locs)
{
@@ -2548,10 +2555,6 @@ static int igb_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
int ret = -EOPNOTSUPP;
switch (cmd->cmd) {
- case ETHTOOL_GRXRINGS:
- cmd->data = adapter->num_rx_queues;
- ret = 0;
- break;
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = adapter->nfc_filter_count;
ret = 0;
@@ -3473,6 +3476,7 @@ static const struct ethtool_ops igb_ethtool_ops = {
.get_ts_info = igb_get_ts_info,
.get_rxnfc = igb_get_rxnfc,
.set_rxnfc = igb_set_rxnfc,
+ .get_rx_ring_count = igb_get_rx_ring_count,
.get_eee = igb_get_eee,
.set_eee = igb_set_eee,
.get_module_info = igb_get_module_info,
diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c
index bb783042d1af..e94c1922b97a 100644
--- a/drivers/net/ethernet/intel/igc/igc_ethtool.c
+++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c
@@ -1091,15 +1091,19 @@ static int igc_ethtool_get_rxfh_fields(struct net_device *dev,
return 0;
}
+static u32 igc_ethtool_get_rx_ring_count(struct net_device *dev)
+{
+ struct igc_adapter *adapter = netdev_priv(dev);
+
+ return adapter->num_rx_queues;
+}
+
static int igc_ethtool_get_rxnfc(struct net_device *dev,
struct ethtool_rxnfc *cmd, u32 *rule_locs)
{
struct igc_adapter *adapter = netdev_priv(dev);
switch (cmd->cmd) {
- case ETHTOOL_GRXRINGS:
- cmd->data = adapter->num_rx_queues;
- return 0;
case ETHTOOL_GRXCLSRLCNT:
cmd->rule_cnt = adapter->nfc_rule_count;
return 0;
@@ -2170,6 +2174,7 @@ static const struct ethtool_ops igc_ethtool_ops = {
.set_coalesce = igc_ethtool_set_coalesce,
.get_rxnfc = igc_ethtool_get_rxnfc,
.set_rxnfc = igc_ethtool_set_rxnfc,
+ .get_rx_ring_count = igc_ethtool_get_rx_ring_count,
.get_rxfh_indir_size = igc_ethtool_get_rxfh_indir_size,
.get_rxfh = igc_ethtool_get_rxfh,
.set_rxfh = igc_ethtool_set_rxfh,
diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
index bebad564188e..537a60d5276f 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
@@ -867,19 +867,11 @@ static int ixgbevf_set_coalesce(struct net_device *netdev,
return 0;
}
-static int ixgbevf_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
- u32 *rules __always_unused)
+static u32 ixgbevf_get_rx_ring_count(struct net_device *dev)
{
struct ixgbevf_adapter *adapter = netdev_priv(dev);
- switch (info->cmd) {
- case ETHTOOL_GRXRINGS:
- info->data = adapter->num_rx_queues;
- return 0;
- default:
- hw_dbg(&adapter->hw, "Command parameters not supported\n");
- return -EOPNOTSUPP;
- }
+ return adapter->num_rx_queues;
}
static u32 ixgbevf_get_rxfh_indir_size(struct net_device *netdev)
@@ -987,7 +979,7 @@ static const struct ethtool_ops ixgbevf_ethtool_ops = {
.get_ethtool_stats = ixgbevf_get_ethtool_stats,
.get_coalesce = ixgbevf_get_coalesce,
.set_coalesce = ixgbevf_set_coalesce,
- .get_rxnfc = ixgbevf_get_rxnfc,
+ .get_rx_ring_count = ixgbevf_get_rx_ring_count,
.get_rxfh_indir_size = ixgbevf_get_rxfh_indir_size,
.get_rxfh_key_size = ixgbevf_get_rxfh_key_size,
.get_rxfh = ixgbevf_get_rxfh,
diff --git a/drivers/net/ethernet/meta/Kconfig b/drivers/net/ethernet/meta/Kconfig
index dff51f23d295..ca5c7ac2a5bc 100644
--- a/drivers/net/ethernet/meta/Kconfig
+++ b/drivers/net/ethernet/meta/Kconfig
@@ -26,6 +26,7 @@ config FBNIC
depends on PTP_1588_CLOCK_OPTIONAL
select NET_DEVLINK
select PAGE_POOL
+ select PCS_XPCS
select PHYLINK
select PLDMFW
help
diff --git a/drivers/net/ethernet/meta/fbnic/Makefile b/drivers/net/ethernet/meta/fbnic/Makefile
index 15e8ff649615..72c41af65364 100644
--- a/drivers/net/ethernet/meta/fbnic/Makefile
+++ b/drivers/net/ethernet/meta/fbnic/Makefile
@@ -21,6 +21,7 @@ fbnic-y := fbnic_csr.o \
fbnic_pci.o \
fbnic_phylink.o \
fbnic_rpc.o \
+ fbnic_mdio.o \
fbnic_time.o \
fbnic_tlv.o \
fbnic_txrx.o \
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic.h b/drivers/net/ethernet/meta/fbnic/fbnic.h
index b03e5a3d5144..779a083b9215 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic.h
+++ b/drivers/net/ethernet/meta/fbnic/fbnic.h
@@ -34,7 +34,7 @@ struct fbnic_dev {
u32 __iomem *uc_addr4;
const struct fbnic_mac *mac;
unsigned int fw_msix_vector;
- unsigned int pcs_msix_vector;
+ unsigned int mac_msix_vector;
unsigned short num_irqs;
struct {
@@ -83,6 +83,10 @@ struct fbnic_dev {
/* Last @time_high refresh time in jiffies (to catch stalls) */
unsigned long last_read;
+ /* PMD specific data */
+ unsigned long end_of_pmd_training;
+ u8 pmd_state;
+
/* Local copy of hardware statistics */
struct fbnic_hw_stats hw_stats;
@@ -91,6 +95,9 @@ struct fbnic_dev {
u64 prev_firmware_time;
struct fbnic_fw_log fw_log;
+
+ /* MDIO bus for PHYs */
+ struct mii_bus *mdio_bus;
};
/* Reserve entry 0 in the MSI-X "others" array until we have filled all
@@ -175,8 +182,8 @@ void fbnic_fw_free_mbx(struct fbnic_dev *fbd);
void fbnic_hwmon_register(struct fbnic_dev *fbd);
void fbnic_hwmon_unregister(struct fbnic_dev *fbd);
-int fbnic_pcs_request_irq(struct fbnic_dev *fbd);
-void fbnic_pcs_free_irq(struct fbnic_dev *fbd);
+int fbnic_mac_request_irq(struct fbnic_dev *fbd);
+void fbnic_mac_free_irq(struct fbnic_dev *fbd);
void fbnic_napi_name_irqs(struct fbnic_dev *fbd);
int fbnic_napi_request_irq(struct fbnic_dev *fbd,
@@ -200,6 +207,8 @@ void fbnic_dbg_exit(void);
void fbnic_rpc_reset_valid_entries(struct fbnic_dev *fbd);
+int fbnic_mdiobus_create(struct fbnic_dev *fbd);
+
void fbnic_csr_get_regs(struct fbnic_dev *fbd, u32 *data, u32 *regs_version);
int fbnic_csr_regs_len(struct fbnic_dev *fbd);
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_csr.h b/drivers/net/ethernet/meta/fbnic/fbnic_csr.h
index d3a7ad921f18..422265dc7abd 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_csr.h
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_csr.h
@@ -787,6 +787,8 @@ enum {
/* MAC PCS registers */
#define FBNIC_CSR_START_PCS 0x10000 /* CSR section delimiter */
+#define FBNIC_PCS_PAGE(n) (0x10000 + 0x400 * (n)) /* 0x40000 + 1024*n */
+#define FBNIC_PCS(reg, n) ((reg) + FBNIC_PCS_PAGE(n))
#define FBNIC_CSR_END_PCS 0x10668 /* CSR section delimiter */
#define FBNIC_CSR_START_RSFEC 0x10800 /* CSR section delimiter */
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
index 95fac020eb93..693ebdf38705 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_ethtool.c
@@ -1863,6 +1863,14 @@ fbnic_get_rmon_stats(struct net_device *netdev,
*ranges = fbnic_rmon_ranges;
}
+static void fbnic_get_link_ext_stats(struct net_device *netdev,
+ struct ethtool_link_ext_stats *stats)
+{
+ struct fbnic_net *fbn = netdev_priv(netdev);
+
+ stats->link_down_events = fbn->link_down_events;
+}
+
static const struct ethtool_ops fbnic_ethtool_ops = {
.cap_link_lanes_supported = true,
.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
@@ -1874,6 +1882,7 @@ static const struct ethtool_ops fbnic_ethtool_ops = {
.get_regs_len = fbnic_get_regs_len,
.get_regs = fbnic_get_regs,
.get_link = ethtool_op_get_link,
+ .get_link_ext_stats = fbnic_get_link_ext_stats,
.get_coalesce = fbnic_get_coalesce,
.set_coalesce = fbnic_set_coalesce,
.get_ringparam = fbnic_get_ringparam,
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_irq.c b/drivers/net/ethernet/meta/fbnic/fbnic_irq.c
index 1c88a2bf3a7a..02e8b0b257fe 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_irq.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_irq.c
@@ -118,12 +118,12 @@ void fbnic_fw_free_mbx(struct fbnic_dev *fbd)
fbd->fw_msix_vector = 0;
}
-static irqreturn_t fbnic_pcs_msix_intr(int __always_unused irq, void *data)
+static irqreturn_t fbnic_mac_msix_intr(int __always_unused irq, void *data)
{
struct fbnic_dev *fbd = data;
struct fbnic_net *fbn;
- if (fbd->mac->pcs_get_link_event(fbd) == FBNIC_LINK_EVENT_NONE) {
+ if (fbd->mac->get_link_event(fbd) == FBNIC_LINK_EVENT_NONE) {
fbnic_wr32(fbd, FBNIC_INTR_MASK_CLEAR(0),
1u << FBNIC_PCS_MSIX_ENTRY);
return IRQ_HANDLED;
@@ -131,26 +131,28 @@ static irqreturn_t fbnic_pcs_msix_intr(int __always_unused irq, void *data)
fbn = netdev_priv(fbd->netdev);
- phylink_pcs_change(&fbn->phylink_pcs, false);
+ /* Record link down events */
+ if (!fbd->mac->get_link(fbd, fbn->aui, fbn->fec))
+ phylink_pcs_change(fbn->pcs, false);
return IRQ_HANDLED;
}
/**
- * fbnic_pcs_request_irq - Configure the PCS to enable it to advertise link
+ * fbnic_mac_request_irq - Configure the MAC to enable it to advertise link
* @fbd: Pointer to device to initialize
*
- * This function provides basic bringup for the MAC/PCS IRQ. For now the IRQ
+ * This function provides basic bringup for the MAC/PHY IRQ. For now the IRQ
* will remain disabled until we start the MAC/PCS/PHY logic via phylink.
*
* Return: non-zero on failure.
**/
-int fbnic_pcs_request_irq(struct fbnic_dev *fbd)
+int fbnic_mac_request_irq(struct fbnic_dev *fbd)
{
struct pci_dev *pdev = to_pci_dev(fbd->dev);
int vector, err;
- WARN_ON(fbd->pcs_msix_vector);
+ WARN_ON(fbd->mac_msix_vector);
vector = pci_irq_vector(pdev, FBNIC_PCS_MSIX_ENTRY);
if (vector < 0)
@@ -159,7 +161,7 @@ int fbnic_pcs_request_irq(struct fbnic_dev *fbd)
/* Request the IRQ for PCS link vector.
* Map PCS cause to it, and unmask it
*/
- err = request_irq(vector, &fbnic_pcs_msix_intr, 0,
+ err = request_irq(vector, &fbnic_mac_msix_intr, 0,
fbd->netdev->name, fbd);
if (err)
return err;
@@ -168,22 +170,22 @@ int fbnic_pcs_request_irq(struct fbnic_dev *fbd)
fbnic_wr32(fbd, FBNIC_INTR_MSIX_CTRL(FBNIC_INTR_MSIX_CTRL_PCS_IDX),
FBNIC_PCS_MSIX_ENTRY | FBNIC_INTR_MSIX_CTRL_ENABLE);
- fbd->pcs_msix_vector = vector;
+ fbd->mac_msix_vector = vector;
return 0;
}
/**
- * fbnic_pcs_free_irq - Teardown the PCS IRQ to prepare for stopping
+ * fbnic_mac_free_irq - Teardown the MAC IRQ to prepare for stopping
* @fbd: Pointer to device that is stopping
*
- * This function undoes the work done in fbnic_pcs_request_irq and prepares
+ * This function undoes the work done in fbnic_mac_request_irq and prepares
* the device to no longer receive traffic on the host interface.
**/
-void fbnic_pcs_free_irq(struct fbnic_dev *fbd)
+void fbnic_mac_free_irq(struct fbnic_dev *fbd)
{
/* Vector has already been freed */
- if (!fbd->pcs_msix_vector)
+ if (!fbd->mac_msix_vector)
return;
/* Disable interrupt */
@@ -192,14 +194,14 @@ void fbnic_pcs_free_irq(struct fbnic_dev *fbd)
fbnic_wrfl(fbd);
/* Synchronize IRQ to prevent race that would unmask vector */
- synchronize_irq(fbd->pcs_msix_vector);
+ synchronize_irq(fbd->mac_msix_vector);
/* Mask the vector */
fbnic_wr32(fbd, FBNIC_INTR_MASK_SET(0), 1u << FBNIC_PCS_MSIX_ENTRY);
/* Free the vector */
- free_irq(fbd->pcs_msix_vector, fbd);
- fbd->pcs_msix_vector = 0;
+ free_irq(fbd->mac_msix_vector, fbd);
+ fbd->mac_msix_vector = 0;
}
void fbnic_synchronize_irq(struct fbnic_dev *fbd, int nr)
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_mac.c b/drivers/net/ethernet/meta/fbnic/fbnic_mac.c
index 2a84bd1d7e26..fc7abea4ef5b 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_mac.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_mac.c
@@ -434,14 +434,14 @@ static void fbnic_mac_tx_pause_config(struct fbnic_dev *fbd, bool tx_pause)
wr32(fbd, FBNIC_RXB_PAUSE_DROP_CTRL, rxb_pause_ctrl);
}
-static int fbnic_pcs_get_link_event_asic(struct fbnic_dev *fbd)
+static int fbnic_mac_get_link_event(struct fbnic_dev *fbd)
{
- u32 pcs_intr_mask = rd32(fbd, FBNIC_SIG_PCS_INTR_STS);
+ u32 intr_mask = rd32(fbd, FBNIC_SIG_PCS_INTR_STS);
- if (pcs_intr_mask & FBNIC_SIG_PCS_INTR_LINK_DOWN)
+ if (intr_mask & FBNIC_SIG_PCS_INTR_LINK_DOWN)
return FBNIC_LINK_EVENT_DOWN;
- return (pcs_intr_mask & FBNIC_SIG_PCS_INTR_LINK_UP) ?
+ return (intr_mask & FBNIC_SIG_PCS_INTR_LINK_UP) ?
FBNIC_LINK_EVENT_UP : FBNIC_LINK_EVENT_NONE;
}
@@ -466,9 +466,8 @@ static u32 __fbnic_mac_cmd_config_asic(struct fbnic_dev *fbd,
return command_config;
}
-static bool fbnic_mac_get_pcs_link_status(struct fbnic_dev *fbd)
+static bool fbnic_mac_get_link_status(struct fbnic_dev *fbd, u8 aui, u8 fec)
{
- struct fbnic_net *fbn = netdev_priv(fbd->netdev);
u32 pcs_status, lane_mask = ~0;
pcs_status = rd32(fbd, FBNIC_SIG_PCS_OUT0);
@@ -476,7 +475,7 @@ static bool fbnic_mac_get_pcs_link_status(struct fbnic_dev *fbd)
return false;
/* Define the expected lane mask for the status bits we need to check */
- switch (fbn->aui) {
+ switch (aui) {
case FBNIC_AUI_100GAUI2:
lane_mask = 0xf;
break;
@@ -484,7 +483,7 @@ static bool fbnic_mac_get_pcs_link_status(struct fbnic_dev *fbd)
lane_mask = 3;
break;
case FBNIC_AUI_LAUI2:
- switch (fbn->fec) {
+ switch (fec) {
case FBNIC_FEC_OFF:
lane_mask = 0x63;
break;
@@ -502,7 +501,7 @@ static bool fbnic_mac_get_pcs_link_status(struct fbnic_dev *fbd)
}
/* Use an XOR to remove the bits we expect to see set */
- switch (fbn->fec) {
+ switch (fec) {
case FBNIC_FEC_OFF:
lane_mask ^= FIELD_GET(FBNIC_SIG_PCS_OUT0_BLOCK_LOCK,
pcs_status);
@@ -521,7 +520,46 @@ static bool fbnic_mac_get_pcs_link_status(struct fbnic_dev *fbd)
return !lane_mask;
}
-static bool fbnic_pcs_get_link_asic(struct fbnic_dev *fbd)
+static bool fbnic_pmd_update_state(struct fbnic_dev *fbd, bool signal_detect)
+{
+ /* Delay link up for 4 seconds to allow for link training.
+ * The state transitions for this are as follows:
+ *
+ * All states have the following two transitions in common:
+ * Loss of signal -> FBNIC_PMD_INITIALIZE
+ * The condition handled below (!signal)
+ * Reconfiguration -> FBNIC_PMD_INITIALIZE
+ * Occurs when mac_prepare starts a PHY reconfig
+ * FBNIC_PMD_TRAINING:
+ * signal still detected && 4s have passed -> Report link up
+ * When link is brought up in link_up -> FBNIC_PMD_SEND_DATA
+ * FBNIC_PMD_INITIALIZE:
+ * signal detected -> FBNIC_PMD_TRAINING
+ */
+ if (!signal_detect) {
+ fbd->pmd_state = FBNIC_PMD_INITIALIZE;
+ return false;
+ }
+
+ switch (fbd->pmd_state) {
+ case FBNIC_PMD_TRAINING:
+ return time_before(fbd->end_of_pmd_training, jiffies);
+ case FBNIC_PMD_LINK_READY:
+ case FBNIC_PMD_SEND_DATA:
+ return true;
+ }
+
+ fbd->end_of_pmd_training = jiffies + 4 * HZ;
+
+ /* Ensure end_of_training is visible before the state change */
+ smp_wmb();
+
+ fbd->pmd_state = FBNIC_PMD_TRAINING;
+
+ return false;
+}
+
+static bool fbnic_mac_get_link(struct fbnic_dev *fbd, u8 aui, u8 fec)
{
bool link;
@@ -538,7 +576,8 @@ static bool fbnic_pcs_get_link_asic(struct fbnic_dev *fbd)
wr32(fbd, FBNIC_SIG_PCS_INTR_STS,
FBNIC_SIG_PCS_INTR_LINK_DOWN | FBNIC_SIG_PCS_INTR_LINK_UP);
- link = fbnic_mac_get_pcs_link_status(fbd);
+ link = fbnic_mac_get_link_status(fbd, aui, fec);
+ link = fbnic_pmd_update_state(fbd, link);
/* Enable interrupt to only capture changes in link state */
wr32(fbd, FBNIC_SIG_PCS_INTR_MASK,
@@ -586,20 +625,15 @@ void fbnic_mac_get_fw_settings(struct fbnic_dev *fbd, u8 *aui, u8 *fec)
}
}
-static int fbnic_pcs_enable_asic(struct fbnic_dev *fbd)
+static void fbnic_mac_prepare(struct fbnic_dev *fbd, u8 aui, u8 fec)
{
/* Mask and clear the PCS interrupt, will be enabled by link handler */
wr32(fbd, FBNIC_SIG_PCS_INTR_MASK, ~0);
wr32(fbd, FBNIC_SIG_PCS_INTR_STS, ~0);
- return 0;
-}
-
-static void fbnic_pcs_disable_asic(struct fbnic_dev *fbd)
-{
- /* Mask and clear the PCS interrupt */
- wr32(fbd, FBNIC_SIG_PCS_INTR_MASK, ~0);
- wr32(fbd, FBNIC_SIG_PCS_INTR_STS, ~0);
+ /* If we don't have link tear it all down and start over */
+ if (!fbnic_mac_get_link_status(fbd, aui, fec))
+ fbd->pmd_state = FBNIC_PMD_INITIALIZE;
}
static void fbnic_mac_link_down_asic(struct fbnic_dev *fbd)
@@ -867,10 +901,9 @@ exit_free:
static const struct fbnic_mac fbnic_mac_asic = {
.init_regs = fbnic_mac_init_regs,
- .pcs_enable = fbnic_pcs_enable_asic,
- .pcs_disable = fbnic_pcs_disable_asic,
- .pcs_get_link = fbnic_pcs_get_link_asic,
- .pcs_get_link_event = fbnic_pcs_get_link_event_asic,
+ .get_link = fbnic_mac_get_link,
+ .get_link_event = fbnic_mac_get_link_event,
+ .prepare = fbnic_mac_prepare,
.get_fec_stats = fbnic_mac_get_fec_stats,
.get_pcs_stats = fbnic_mac_get_pcs_stats,
.get_eth_mac_stats = fbnic_mac_get_eth_mac_stats,
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_mac.h b/drivers/net/ethernet/meta/fbnic/fbnic_mac.h
index ede5ff0dae22..f08fe8b7c497 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_mac.h
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_mac.h
@@ -10,6 +10,24 @@ struct fbnic_dev;
#define FBNIC_MAX_JUMBO_FRAME_SIZE 9742
+/* States loosely based on section 136.8.11.7.5 of IEEE 802.3-2022 Ethernet
+ * Standard. These are needed to track the state of the PHY as it has a delay
+ * of several seconds from the time link comes up until it has completed
+ * training that we need to wait to report the link.
+ *
+ * Currently we treat training as a single block as this is managed by the
+ * firmware.
+ *
+ * We have FBNIC_PMD_SEND_DATA set to 0 as the expected default at driver load
+ * and we initialize the structure containing it to zero at allocation.
+ */
+enum {
+ FBNIC_PMD_SEND_DATA = 0x0,
+ FBNIC_PMD_INITIALIZE = 0x1,
+ FBNIC_PMD_TRAINING = 0x2,
+ FBNIC_PMD_LINK_READY = 0x3,
+};
+
enum {
FBNIC_LINK_EVENT_NONE = 0,
FBNIC_LINK_EVENT_UP = 1,
@@ -38,6 +56,7 @@ enum {
FBNIC_AUI_50GAUI1 = 2, /* 53.125GBd 53.125 * 1 */
FBNIC_AUI_100GAUI2 = 3, /* 106.25GBd 53.125 * 2 */
FBNIC_AUI_UNKNOWN = 4,
+ __FBNIC_AUI_MAX__
};
#define FBNIC_AUI_MODE_R2 (FBNIC_AUI_LAUI2)
@@ -55,15 +74,15 @@ enum fbnic_sensor_id {
* void (*init_regs)(struct fbnic_dev *fbd);
* Initialize MAC registers to enable Tx/Rx paths and FIFOs.
*
- * void (*pcs_enable)(struct fbnic_dev *fbd);
- * Configure and enable PCS to enable link if not already enabled
- * void (*pcs_disable)(struct fbnic_dev *fbd);
- * Shutdown the link if we are the only consumer of it.
- * bool (*pcs_get_link)(struct fbnic_dev *fbd);
- * Check PCS link status
- * int (*pcs_get_link_event)(struct fbnic_dev *fbd)
+ * int (*get_link_event)(struct fbnic_dev *fbd)
* Get the current link event status, reports true if link has
* changed to either FBNIC_LINK_EVENT_DOWN or FBNIC_LINK_EVENT_UP
+ * bool (*get_link)(struct fbnic_dev *fbd, u8 aui, u8 fec);
+ * Check link status
+ *
+ * void (*prepare)(struct fbnic_dev *fbd, u8 aui, u8 fec);
+ * Prepare PHY for init by fetching settings, disabling interrupts,
+ * and sending an updated PHY config to FW if needed.
*
* void (*link_down)(struct fbnic_dev *fbd);
* Configure MAC for link down event
@@ -74,10 +93,10 @@ enum fbnic_sensor_id {
struct fbnic_mac {
void (*init_regs)(struct fbnic_dev *fbd);
- int (*pcs_enable)(struct fbnic_dev *fbd);
- void (*pcs_disable)(struct fbnic_dev *fbd);
- bool (*pcs_get_link)(struct fbnic_dev *fbd);
- int (*pcs_get_link_event)(struct fbnic_dev *fbd);
+ int (*get_link_event)(struct fbnic_dev *fbd);
+ bool (*get_link)(struct fbnic_dev *fbd, u8 aui, u8 fec);
+
+ void (*prepare)(struct fbnic_dev *fbd, u8 aui, u8 fec);
void (*get_fec_stats)(struct fbnic_dev *fbd, bool reset,
struct fbnic_fec_stats *fec_stats);
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_mdio.c b/drivers/net/ethernet/meta/fbnic/fbnic_mdio.c
new file mode 100644
index 000000000000..709041f7fc43
--- /dev/null
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_mdio.c
@@ -0,0 +1,195 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) Meta Platforms, Inc. and affiliates. */
+
+#include <linux/mdio.h>
+#include <linux/pcs/pcs-xpcs.h>
+
+#include "fbnic.h"
+#include "fbnic_netdev.h"
+
+#define DW_VENDOR BIT(15)
+#define FBNIC_PCS_VENDOR BIT(9)
+#define FBNIC_PCS_ZERO_MASK (DW_VENDOR - FBNIC_PCS_VENDOR)
+
+static int
+fbnic_mdio_read_pmd(struct fbnic_dev *fbd, int addr, int regnum)
+{
+ u8 aui = FBNIC_AUI_UNKNOWN;
+ struct fbnic_net *fbn;
+ int ret = 0;
+
+ /* We don't need a second PMD, just one can handle both lanes */
+ if (addr)
+ return 0;
+
+ if (fbd->netdev) {
+ fbn = netdev_priv(fbd->netdev);
+ if (fbn->aui < FBNIC_AUI_UNKNOWN)
+ aui = fbn->aui;
+ }
+
+ switch (regnum) {
+ case MDIO_DEVID1:
+ ret = MP_FBNIC_XPCS_PMA_100G_ID >> 16;
+ break;
+ case MDIO_DEVID2:
+ ret = MP_FBNIC_XPCS_PMA_100G_ID & 0xffff;
+ break;
+ case MDIO_DEVS1:
+ ret = MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS;
+ break;
+ case MDIO_STAT2:
+ ret = MDIO_STAT2_DEVPRST_VAL;
+ break;
+ case MDIO_PMA_RXDET:
+ /* If training isn't complete default to 0 */
+ if (fbd->pmd_state != FBNIC_PMD_SEND_DATA)
+ break;
+ /* Report either 1 or 2 lanes detected depending on config */
+ ret = (MDIO_PMD_RXDET_GLOBAL | MDIO_PMD_RXDET_0) |
+ ((aui & FBNIC_AUI_MODE_R2) *
+ (MDIO_PMD_RXDET_1 / FBNIC_AUI_MODE_R2));
+ break;
+ default:
+ break;
+ }
+
+ dev_dbg(fbd->dev,
+ "SWMII PMD Rd: Addr: %d RegNum: %d Value: 0x%04x\n",
+ addr, regnum, ret);
+
+ return ret;
+}
+
+static int
+fbnic_mdio_read_pcs(struct fbnic_dev *fbd, int addr, int regnum)
+{
+ int ret, offset = 0;
+
+ /* We will need access to both PCS instances to get config info */
+ if (addr >= 2)
+ return 0;
+
+ /* Report 0 for reserved registers */
+ if (regnum & FBNIC_PCS_ZERO_MASK)
+ return 0;
+
+ /* Intercept and return correct ID for PCS */
+ if (regnum == MDIO_DEVID1)
+ return DW_XPCS_ID >> 16;
+ if (regnum == MDIO_DEVID2)
+ return DW_XPCS_ID & 0xffff;
+ if (regnum == MDIO_DEVS1)
+ return MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS;
+
+ /* Swap vendor page bit for FBNIC PCS vendor page bit */
+ if (regnum & DW_VENDOR)
+ offset ^= DW_VENDOR | FBNIC_PCS_VENDOR;
+
+ ret = fbnic_rd32(fbd, FBNIC_PCS_PAGE(addr) + (regnum ^ offset));
+
+ dev_dbg(fbd->dev,
+ "SWMII PCS Rd: Addr: %d RegNum: %d Value: 0x%04x\n",
+ addr, regnum, ret);
+
+ return ret;
+}
+
+static int
+fbnic_mdio_read_c45(struct mii_bus *bus, int addr, int devnum, int regnum)
+{
+ struct fbnic_dev *fbd = bus->priv;
+
+ if (devnum == MDIO_MMD_PMAPMD)
+ return fbnic_mdio_read_pmd(fbd, addr, regnum);
+
+ if (devnum == MDIO_MMD_PCS)
+ return fbnic_mdio_read_pcs(fbd, addr, regnum);
+
+ return 0;
+}
+
+static void
+fbnic_mdio_write_pmd(struct fbnic_dev *fbd, int addr, int regnum, u16 val)
+{
+ dev_dbg(fbd->dev,
+ "SWMII PMD Wr: Addr: %d RegNum: %d Value: 0x%04x\n",
+ addr, regnum, val);
+}
+
+static void
+fbnic_mdio_write_pcs(struct fbnic_dev *fbd, int addr, int regnum, u16 val)
+{
+ dev_dbg(fbd->dev,
+ "SWMII PCS Wr: Addr: %d RegNum: %d Value: 0x%04x\n",
+ addr, regnum, val);
+
+ /* Allow access to both halves of PCS for 50R2 config */
+ if (addr > 2)
+ return;
+
+ /* Skip write for reserved registers */
+ if (regnum & FBNIC_PCS_ZERO_MASK)
+ return;
+
+ /* Swap vendor page bit for FBNIC PCS vendor page bit */
+ if (regnum & DW_VENDOR)
+ regnum ^= DW_VENDOR | FBNIC_PCS_VENDOR;
+
+ fbnic_wr32(fbd, FBNIC_PCS_PAGE(addr) + regnum, val);
+}
+
+static int
+fbnic_mdio_write_c45(struct mii_bus *bus, int addr, int devnum,
+ int regnum, u16 val)
+{
+ struct fbnic_dev *fbd = bus->priv;
+
+ if (devnum == MDIO_MMD_PMAPMD)
+ fbnic_mdio_write_pmd(fbd, addr, regnum, val);
+
+ if (devnum == MDIO_MMD_PCS)
+ fbnic_mdio_write_pcs(fbd, addr, regnum, val);
+
+ return 0;
+}
+
+/**
+ * fbnic_mdiobus_create - Create an MDIO bus to allow interfacing w/ PHYs
+ * @fbd: Pointer to FBNIC device structure to populate bus on
+ *
+ * Initialize an MDIO bus and place a pointer to it on the fbd struct. This bus
+ * will be used to interface with the PMA/PMD and PCS.
+ *
+ * Return: 0 on success, negative on failure
+ **/
+int fbnic_mdiobus_create(struct fbnic_dev *fbd)
+{
+ struct mii_bus *bus;
+ int err;
+
+ bus = devm_mdiobus_alloc(fbd->dev);
+ if (!bus)
+ return -ENOMEM;
+
+ bus->name = "fbnic_mii_bus";
+ bus->read_c45 = &fbnic_mdio_read_c45;
+ bus->write_c45 = &fbnic_mdio_write_c45;
+
+ /* Disable PHY auto probing. We will add PCS manually */
+ bus->phy_mask = ~0;
+
+ bus->parent = fbd->dev;
+ bus->priv = fbd;
+ snprintf(bus->id, MII_BUS_ID_SIZE, "%s-mii", dev_name(fbd->dev));
+
+ err = devm_mdiobus_register(fbd->dev, bus);
+ if (err) {
+ dev_err(fbd->dev, "Failed to create MDIO bus: %d\n", err);
+ return err;
+ }
+
+ fbd->mdio_bus = bus;
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
index e95be0e7bd9e..81c9d5c9a4b2 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.c
@@ -44,7 +44,7 @@ int __fbnic_open(struct fbnic_net *fbn)
if (err)
goto time_stop;
- err = fbnic_pcs_request_irq(fbd);
+ err = fbnic_mac_request_irq(fbd);
if (err)
goto time_stop;
@@ -86,10 +86,10 @@ static int fbnic_stop(struct net_device *netdev)
{
struct fbnic_net *fbn = netdev_priv(netdev);
+ fbnic_mac_free_irq(fbn->fbd);
phylink_suspend(fbn->phylink, fbnic_bmc_present(fbn->fbd));
fbnic_down(fbn);
- fbnic_pcs_free_irq(fbn->fbd);
fbnic_time_stop(fbn);
fbnic_fw_xmit_ownership_msg(fbn->fbd, false);
@@ -697,10 +697,7 @@ void fbnic_reset_queues(struct fbnic_net *fbn,
**/
void fbnic_netdev_free(struct fbnic_dev *fbd)
{
- struct fbnic_net *fbn = netdev_priv(fbd->netdev);
-
- if (fbn->phylink)
- phylink_destroy(fbn->phylink);
+ fbnic_phylink_destroy(fbd->netdev);
free_netdev(fbd->netdev);
fbd->netdev = NULL;
@@ -802,7 +799,7 @@ struct net_device *fbnic_netdev_alloc(struct fbnic_dev *fbd)
netif_tx_stop_all_queues(netdev);
- if (fbnic_phylink_init(netdev)) {
+ if (fbnic_phylink_create(netdev)) {
fbnic_netdev_free(fbd);
return NULL;
}
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h
index e6ca23a9957d..9129a658f8fa 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_netdev.h
@@ -44,7 +44,7 @@ struct fbnic_net {
struct phylink *phylink;
struct phylink_config phylink_config;
- struct phylink_pcs phylink_pcs;
+ struct phylink_pcs *pcs;
u8 aui;
u8 fec;
@@ -108,8 +108,10 @@ int fbnic_phylink_ethtool_ksettings_get(struct net_device *netdev,
struct ethtool_link_ksettings *cmd);
int fbnic_phylink_get_fecparam(struct net_device *netdev,
struct ethtool_fecparam *fecparam);
+int fbnic_phylink_create(struct net_device *netdev);
+void fbnic_phylink_destroy(struct net_device *netdev);
int fbnic_phylink_init(struct net_device *netdev);
-
+void fbnic_phylink_pmd_training_complete_notify(struct net_device *netdev);
bool fbnic_check_split_frames(struct bpf_prog *prog,
unsigned int mtu, u32 hds_threshold);
#endif /* _FBNIC_NETDEV_H_ */
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_pci.c b/drivers/net/ethernet/meta/fbnic/fbnic_pci.c
index 4620f1847f2e..861d98099c44 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_pci.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_pci.c
@@ -207,6 +207,10 @@ static void fbnic_service_task(struct work_struct *work)
{
struct fbnic_dev *fbd = container_of(to_delayed_work(work),
struct fbnic_dev, service_task);
+ struct net_device *netdev = fbd->netdev;
+
+ if (netif_running(netdev))
+ fbnic_phylink_pmd_training_complete_notify(netdev);
rtnl_lock();
@@ -224,7 +228,7 @@ static void fbnic_service_task(struct work_struct *work)
netdev_unlock(fbd->netdev);
}
- if (netif_running(fbd->netdev))
+ if (netif_running(netdev))
schedule_delayed_work(&fbd->service_task, HZ);
rtnl_unlock();
@@ -335,6 +339,9 @@ static int fbnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto init_failure_mode;
}
+ if (fbnic_mdiobus_create(fbd))
+ goto init_failure_mode;
+
netdev = fbnic_netdev_alloc(fbd);
if (!netdev) {
dev_err(&pdev->dev, "Netdev allocation failed\n");
diff --git a/drivers/net/ethernet/meta/fbnic/fbnic_phylink.c b/drivers/net/ethernet/meta/fbnic/fbnic_phylink.c
index 62701923cfe9..09c5225111be 100644
--- a/drivers/net/ethernet/meta/fbnic/fbnic_phylink.c
+++ b/drivers/net/ethernet/meta/fbnic/fbnic_phylink.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) Meta Platforms, Inc. and affiliates. */
+#include <linux/pcs/pcs-xpcs.h>
#include <linux/phy.h>
#include <linux/phylink.h>
@@ -101,88 +102,47 @@ int fbnic_phylink_get_fecparam(struct net_device *netdev,
return 0;
}
-static struct fbnic_net *
-fbnic_pcs_to_net(struct phylink_pcs *pcs)
-{
- return container_of(pcs, struct fbnic_net, phylink_pcs);
-}
-
-static void
-fbnic_phylink_pcs_get_state(struct phylink_pcs *pcs, unsigned int neg_mode,
- struct phylink_link_state *state)
+static struct phylink_pcs *
+fbnic_phylink_mac_select_pcs(struct phylink_config *config,
+ phy_interface_t interface)
{
- struct fbnic_net *fbn = fbnic_pcs_to_net(pcs);
- struct fbnic_dev *fbd = fbn->fbd;
-
- switch (fbn->aui) {
- case FBNIC_AUI_25GAUI:
- state->speed = SPEED_25000;
- break;
- case FBNIC_AUI_LAUI2:
- case FBNIC_AUI_50GAUI1:
- state->speed = SPEED_50000;
- break;
- case FBNIC_AUI_100GAUI2:
- state->speed = SPEED_100000;
- break;
- default:
- state->link = 0;
- return;
- }
-
- state->duplex = DUPLEX_FULL;
+ struct net_device *netdev = to_net_dev(config->dev);
+ struct fbnic_net *fbn = netdev_priv(netdev);
- state->link = fbd->mac->pcs_get_link(fbd);
+ return fbn->pcs;
}
static int
-fbnic_phylink_pcs_enable(struct phylink_pcs *pcs)
+fbnic_phylink_mac_prepare(struct phylink_config *config, unsigned int mode,
+ phy_interface_t iface)
{
- struct fbnic_net *fbn = fbnic_pcs_to_net(pcs);
+ struct net_device *netdev = to_net_dev(config->dev);
+ struct fbnic_net *fbn = netdev_priv(netdev);
struct fbnic_dev *fbd = fbn->fbd;
- return fbd->mac->pcs_enable(fbd);
+ fbd->mac->prepare(fbd, fbn->aui, fbn->fec);
+
+ return 0;
}
static void
-fbnic_phylink_pcs_disable(struct phylink_pcs *pcs)
+fbnic_phylink_mac_config(struct phylink_config *config, unsigned int mode,
+ const struct phylink_link_state *state)
{
- struct fbnic_net *fbn = fbnic_pcs_to_net(pcs);
- struct fbnic_dev *fbd = fbn->fbd;
-
- return fbd->mac->pcs_disable(fbd);
}
static int
-fbnic_phylink_pcs_config(struct phylink_pcs *pcs, unsigned int neg_mode,
- phy_interface_t interface,
- const unsigned long *advertising,
- bool permit_pause_to_mac)
-{
- return 0;
-}
-
-static const struct phylink_pcs_ops fbnic_phylink_pcs_ops = {
- .pcs_config = fbnic_phylink_pcs_config,
- .pcs_enable = fbnic_phylink_pcs_enable,
- .pcs_disable = fbnic_phylink_pcs_disable,
- .pcs_get_state = fbnic_phylink_pcs_get_state,
-};
-
-static struct phylink_pcs *
-fbnic_phylink_mac_select_pcs(struct phylink_config *config,
- phy_interface_t interface)
+fbnic_phylink_mac_finish(struct phylink_config *config, unsigned int mode,
+ phy_interface_t iface)
{
struct net_device *netdev = to_net_dev(config->dev);
struct fbnic_net *fbn = netdev_priv(netdev);
+ struct fbnic_dev *fbd = fbn->fbd;
- return &fbn->phylink_pcs;
-}
+ /* Retest the link state and restart interrupts */
+ fbd->mac->get_link(fbd, fbn->aui, fbn->fec);
-static void
-fbnic_phylink_mac_config(struct phylink_config *config, unsigned int mode,
- const struct phylink_link_state *state)
-{
+ return 0;
}
static void
@@ -216,18 +176,40 @@ fbnic_phylink_mac_link_up(struct phylink_config *config,
static const struct phylink_mac_ops fbnic_phylink_mac_ops = {
.mac_select_pcs = fbnic_phylink_mac_select_pcs,
+ .mac_prepare = fbnic_phylink_mac_prepare,
.mac_config = fbnic_phylink_mac_config,
+ .mac_finish = fbnic_phylink_mac_finish,
.mac_link_down = fbnic_phylink_mac_link_down,
.mac_link_up = fbnic_phylink_mac_link_up,
};
-int fbnic_phylink_init(struct net_device *netdev)
+/**
+ * fbnic_phylink_create - Phylink device creation
+ * @netdev: Network Device struct to attach phylink device
+ *
+ * Initialize and attach a phylink instance to the device. The phylink
+ * device will make use of the netdev struct to track carrier and will
+ * eventually be used to expose the current state of the MAC and PCS
+ * setup.
+ *
+ * Return: 0 on success, negative on failure
+ **/
+int fbnic_phylink_create(struct net_device *netdev)
{
struct fbnic_net *fbn = netdev_priv(netdev);
struct fbnic_dev *fbd = fbn->fbd;
+ struct phylink_pcs *pcs;
struct phylink *phylink;
+ int err;
+
+ pcs = xpcs_create_pcs_mdiodev(fbd->mdio_bus, 0);
+ if (IS_ERR(pcs)) {
+ err = PTR_ERR(pcs);
+ dev_err(fbd->dev, "Failed to create PCS device: %d\n", err);
+ return err;
+ }
- fbn->phylink_pcs.ops = &fbnic_phylink_pcs_ops;
+ fbn->pcs = pcs;
fbn->phylink_config.dev = &netdev->dev;
fbn->phylink_config.type = PHYLINK_NETDEV;
@@ -250,10 +232,80 @@ int fbnic_phylink_init(struct net_device *netdev)
phylink = phylink_create(&fbn->phylink_config, NULL,
fbnic_phylink_select_interface(fbn->aui),
&fbnic_phylink_mac_ops);
- if (IS_ERR(phylink))
- return PTR_ERR(phylink);
+ if (IS_ERR(phylink)) {
+ err = PTR_ERR(phylink);
+ dev_err(netdev->dev.parent,
+ "Failed to create Phylink interface, err: %d\n", err);
+ xpcs_destroy_pcs(pcs);
+ return err;
+ }
fbn->phylink = phylink;
return 0;
}
+
+/**
+ * fbnic_phylink_destroy - Teardown phylink related interfaces
+ * @netdev: Network Device struct containing phylink device
+ *
+ * Detach and free resources related to phylink interface.
+ **/
+void fbnic_phylink_destroy(struct net_device *netdev)
+{
+ struct fbnic_net *fbn = netdev_priv(netdev);
+
+ if (fbn->phylink)
+ phylink_destroy(fbn->phylink);
+ if (fbn->pcs)
+ xpcs_destroy_pcs(fbn->pcs);
+}
+
+/**
+ * fbnic_phylink_pmd_training_complete_notify - PMD training complete notifier
+ * @netdev: Netdev struct phylink device attached to
+ *
+ * When the link first comes up the PMD will have a period of 2 to 3 seconds
+ * where the link will flutter due to link training. To avoid spamming the
+ * kernel log with messages about this we add a delay of 4 seconds from the
+ * time of the last PCS report of link so that we can guarantee we are unlikely
+ * to see any further link loss events due to link training.
+ **/
+void fbnic_phylink_pmd_training_complete_notify(struct net_device *netdev)
+{
+ struct fbnic_net *fbn = netdev_priv(netdev);
+ struct fbnic_dev *fbd = fbn->fbd;
+
+ if (fbd->pmd_state != FBNIC_PMD_TRAINING)
+ return;
+
+ /* Prevent reading end_of_pmd_training until we verified state */
+ smp_rmb();
+
+ if (!time_before(READ_ONCE(fbd->end_of_pmd_training), jiffies))
+ return;
+
+ /* At this point we have verified that the link has been up for
+ * the full training duration. As a first step we will try
+ * transitioning to link ready.
+ */
+ if (cmpxchg(&fbd->pmd_state, FBNIC_PMD_TRAINING,
+ FBNIC_PMD_LINK_READY) != FBNIC_PMD_TRAINING)
+ return;
+
+ /* Perform a follow-up check to verify that the link didn't flap
+ * just before our transition by rechecking the training timer.
+ */
+ if (!time_before(READ_ONCE(fbd->end_of_pmd_training), jiffies))
+ return;
+
+ /* The training timeout has been completed. We are good to swap out
+ * link_ready for send_data assuming no other events have occurred
+ * that would have pulled us back into initialization or training.
+ */
+ if (cmpxchg(&fbd->pmd_state, FBNIC_PMD_LINK_READY,
+ FBNIC_PMD_SEND_DATA) != FBNIC_PMD_LINK_READY)
+ return;
+
+ phylink_pcs_change(fbn->pcs, false);
+}
diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
index 87c5bea6c2a2..907fe2e927f0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
+++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
@@ -349,6 +349,11 @@ config DWMAC_VISCONTI
endif
+config STMMAC_LIBPCI
+ tristate
+ help
+ This option enables the PCI bus helpers for the stmmac driver.
+
config DWMAC_INTEL
tristate "Intel GMAC support"
default X86
@@ -362,16 +367,18 @@ config DWMAC_INTEL
config DWMAC_LOONGSON
tristate "Loongson PCI DWMAC support"
default MACH_LOONGSON64
- depends on (MACH_LOONGSON64 || COMPILE_TEST) && STMMAC_ETH && PCI
+ depends on (MACH_LOONGSON64 || COMPILE_TEST) && PCI
depends on COMMON_CLK
+ select STMMAC_LIBPCI
help
This selects the LOONGSON PCI bus support for the stmmac driver,
Support for ethernet controller on Loongson-2K1000 SoC and LS7A1000 bridge.
config STMMAC_PCI
tristate "STMMAC PCI bus support"
- depends on STMMAC_ETH && PCI
+ depends on PCI
depends on COMMON_CLK
+ select STMMAC_LIBPCI
help
This selects the platform specific bus support for the stmmac driver.
This driver was tested on XLINX XC2V3000 FF1152AMT0221
diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/ethernet/stmicro/stmmac/Makefile
index 1681a8a28313..7bf528731034 100644
--- a/drivers/net/ethernet/stmicro/stmmac/Makefile
+++ b/drivers/net/ethernet/stmicro/stmmac/Makefile
@@ -44,6 +44,7 @@ obj-$(CONFIG_DWMAC_VISCONTI) += dwmac-visconti.o
stmmac-platform-objs:= stmmac_platform.o
dwmac-altr-socfpga-objs := dwmac-socfpga.o
+obj-$(CONFIG_STMMAC_LIBPCI) += stmmac_libpci.o
obj-$(CONFIG_STMMAC_PCI) += stmmac-pci.o
obj-$(CONFIG_DWMAC_INTEL) += dwmac-intel.o
obj-$(CONFIG_DWMAC_LOONGSON) += dwmac-loongson.o
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
index 5f9472f47e35..107a7c84ace8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c
@@ -8,6 +8,7 @@
#include <linux/device.h>
#include <linux/of_irq.h>
#include "stmmac.h"
+#include "stmmac_libpci.h"
#include "dwmac_dma.h"
#include "dwmac1000.h"
@@ -502,37 +503,6 @@ static int loongson_dwmac_fix_reset(struct stmmac_priv *priv, void __iomem *ioad
10000, 2000000);
}
-static int loongson_dwmac_suspend(struct device *dev, void *bsp_priv)
-{
- struct pci_dev *pdev = to_pci_dev(dev);
- int ret;
-
- ret = pci_save_state(pdev);
- if (ret)
- return ret;
-
- pci_disable_device(pdev);
- pci_wake_from_d3(pdev, true);
- return 0;
-}
-
-static int loongson_dwmac_resume(struct device *dev, void *bsp_priv)
-{
- struct pci_dev *pdev = to_pci_dev(dev);
- int ret;
-
- pci_restore_state(pdev);
- pci_set_power_state(pdev, PCI_D0);
-
- ret = pci_enable_device(pdev);
- if (ret)
- return ret;
-
- pci_set_master(pdev);
-
- return 0;
-}
-
static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct plat_stmmacenet_data *plat;
@@ -577,8 +547,8 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id
plat->bsp_priv = ld;
plat->mac_setup = loongson_dwmac_setup;
plat->fix_soc_reset = loongson_dwmac_fix_reset;
- plat->suspend = loongson_dwmac_suspend;
- plat->resume = loongson_dwmac_resume;
+ plat->suspend = stmmac_pci_plat_suspend;
+ plat->resume = stmmac_pci_plat_resume;
ld->dev = &pdev->dev;
ld->loongson_id = readl(res.addr + GMAC_VERSION) & 0xff;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
index 6d9b8fac3c6d..5877fec9f6c3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_dma.c
@@ -135,10 +135,10 @@ static void dwmac1000_dma_operation_mode_rx(struct stmmac_priv *priv,
if (mode == SF_DMA_MODE) {
pr_debug("GMAC: enable RX store and forward mode\n");
- csr6 |= DMA_CONTROL_RSF;
+ csr6 |= DMA_CONTROL_RSF | DMA_CONTROL_DFF;
} else {
pr_debug("GMAC: disable RX SF mode (threshold %d)\n", mode);
- csr6 &= ~DMA_CONTROL_RSF;
+ csr6 &= ~(DMA_CONTROL_RSF | DMA_CONTROL_DFF);
csr6 &= DMA_CONTROL_TC_RX_MASK;
if (mode <= 32)
csr6 |= DMA_CONTROL_RTC_32;
@@ -262,6 +262,7 @@ const struct stmmac_dma_ops dwmac1000_dma_ops = {
.dma_rx_mode = dwmac1000_dma_operation_mode_rx,
.dma_tx_mode = dwmac1000_dma_operation_mode_tx,
.enable_dma_transmission = dwmac_enable_dma_transmission,
+ .enable_dma_reception = dwmac_enable_dma_reception,
.enable_dma_irq = dwmac_enable_dma_irq,
.disable_dma_irq = dwmac_disable_dma_irq,
.start_tx = dwmac_dma_start_tx,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h
index d1c149f7a3dd..054ecb20ce3f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_dma.h
@@ -169,6 +169,7 @@ static inline u32 dma_chan_base_addr(u32 base, u32 chan)
#define NUM_DWMAC4_DMA_REGS 27
void dwmac_enable_dma_transmission(void __iomem *ioaddr, u32 chan);
+void dwmac_enable_dma_reception(void __iomem *ioaddr, u32 chan);
void dwmac_enable_dma_irq(struct stmmac_priv *priv, void __iomem *ioaddr,
u32 chan, bool rx, bool tx);
void dwmac_disable_dma_irq(struct stmmac_priv *priv, void __iomem *ioaddr,
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
index 467f1a05747e..97a803d68e3a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac_lib.c
@@ -33,6 +33,11 @@ void dwmac_enable_dma_transmission(void __iomem *ioaddr, u32 chan)
writel(1, ioaddr + DMA_CHAN_XMT_POLL_DEMAND(chan));
}
+void dwmac_enable_dma_reception(void __iomem *ioaddr, u32 chan)
+{
+ writel(1, ioaddr + DMA_CHAN_RCV_POLL_DEMAND(chan));
+}
+
void dwmac_enable_dma_irq(struct stmmac_priv *priv, void __iomem *ioaddr,
u32 chan, bool rx, bool tx)
{
diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h
index f257ce4b6c66..df6e8a567b1f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/hwif.h
+++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h
@@ -201,6 +201,7 @@ struct stmmac_dma_ops {
void (*dma_diagnostic_fr)(struct stmmac_extra_stats *x,
void __iomem *ioaddr);
void (*enable_dma_transmission)(void __iomem *ioaddr, u32 chan);
+ void (*enable_dma_reception)(void __iomem *ioaddr, u32 chan);
void (*enable_dma_irq)(struct stmmac_priv *priv, void __iomem *ioaddr,
u32 chan, bool rx, bool tx);
void (*disable_dma_irq)(struct stmmac_priv *priv, void __iomem *ioaddr,
@@ -261,6 +262,8 @@ struct stmmac_dma_ops {
stmmac_do_void_callback(__priv, dma, dma_diagnostic_fr, __args)
#define stmmac_enable_dma_transmission(__priv, __args...) \
stmmac_do_void_callback(__priv, dma, enable_dma_transmission, __args)
+#define stmmac_enable_dma_reception(__priv, __args...) \
+ stmmac_do_void_callback(__priv, dma, enable_dma_reception, __args)
#define stmmac_enable_dma_irq(__priv, __args...) \
stmmac_do_void_callback(__priv, dma, enable_dma_irq, __priv, __args)
#define stmmac_disable_dma_irq(__priv, __args...) \
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_libpci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_libpci.c
new file mode 100644
index 000000000000..5c5dd502f79a
--- /dev/null
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_libpci.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * PCI bus helpers for STMMAC driver
+ * Copyright (C) 2025 Yao Zi <ziyao@disroot.org>
+ */
+
+#include <linux/device.h>
+#include <linux/pci.h>
+
+#include "stmmac_libpci.h"
+
+int stmmac_pci_plat_suspend(struct device *dev, void *bsp_priv)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ int ret;
+
+ ret = pci_save_state(pdev);
+ if (ret)
+ return ret;
+
+ pci_disable_device(pdev);
+ pci_wake_from_d3(pdev, true);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(stmmac_pci_plat_suspend);
+
+int stmmac_pci_plat_resume(struct device *dev, void *bsp_priv)
+{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ int ret;
+
+ pci_restore_state(pdev);
+ pci_set_power_state(pdev, PCI_D0);
+
+ ret = pci_enable_device(pdev);
+ if (ret)
+ return ret;
+
+ pci_set_master(pdev);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(stmmac_pci_plat_resume);
+
+MODULE_DESCRIPTION("STMMAC PCI helper library");
+MODULE_AUTHOR("Yao Zi <ziyao@disroot.org>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_libpci.h b/drivers/net/ethernet/stmicro/stmmac/stmmac_libpci.h
new file mode 100644
index 000000000000..71553184f982
--- /dev/null
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_libpci.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2025 Yao Zi <ziyao@disroot.org>
+ */
+
+#ifndef __STMMAC_LIBPCI_H__
+#define __STMMAC_LIBPCI_H__
+
+int stmmac_pci_plat_suspend(struct device *dev, void *bsp_priv);
+int stmmac_pci_plat_resume(struct device *dev, void *bsp_priv);
+
+#endif /* __STMMAC_LIBPCI_H__ */
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 6cacedb2c9b3..1ecca60baf74 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4973,6 +4973,8 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue)
rx_q->rx_tail_addr = rx_q->dma_rx_phy +
(rx_q->dirty_rx * sizeof(struct dma_desc));
stmmac_set_rx_tail_ptr(priv, priv->ioaddr, rx_q->rx_tail_addr, queue);
+ /* Wake up Rx DMA from the suspend state if required */
+ stmmac_enable_dma_reception(priv, priv->ioaddr, queue);
}
static unsigned int stmmac_rx_buf1_len(struct stmmac_priv *priv,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
index afb1c53ca6f8..270ad066ced3 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
@@ -14,6 +14,7 @@
#include <linux/dmi.h>
#include "stmmac.h"
+#include "stmmac_libpci.h"
struct stmmac_pci_info {
int (*setup)(struct pci_dev *pdev, struct plat_stmmacenet_data *plat);
@@ -102,37 +103,6 @@ static const struct stmmac_pci_info snps_gmac5_pci_info = {
.setup = snps_gmac5_default_data,
};
-static int stmmac_pci_suspend(struct device *dev, void *bsp_priv)
-{
- struct pci_dev *pdev = to_pci_dev(dev);
- int ret;
-
- ret = pci_save_state(pdev);
- if (ret)
- return ret;
-
- pci_disable_device(pdev);
- pci_wake_from_d3(pdev, true);
- return 0;
-}
-
-static int stmmac_pci_resume(struct device *dev, void *bsp_priv)
-{
- struct pci_dev *pdev = to_pci_dev(dev);
- int ret;
-
- pci_restore_state(pdev);
- pci_set_power_state(pdev, PCI_D0);
-
- ret = pci_enable_device(pdev);
- if (ret)
- return ret;
-
- pci_set_master(pdev);
-
- return 0;
-}
-
/**
* stmmac_pci_probe
*
@@ -212,8 +182,8 @@ static int stmmac_pci_probe(struct pci_dev *pdev,
plat->safety_feat_cfg->prtyen = 1;
plat->safety_feat_cfg->tmouten = 1;
- plat->suspend = stmmac_pci_suspend;
- plat->resume = stmmac_pci_resume;
+ plat->suspend = stmmac_pci_plat_suspend;
+ plat->resume = stmmac_pci_plat_resume;
return stmmac_dvr_probe(&pdev->dev, plat, &res);
}
diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
index 4f6cc6cd1f03..8f46e9be76b1 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c
@@ -2657,7 +2657,7 @@ static int gbe_hwtstamp_set(void *intf_priv, struct kernel_hwtstamp_config *cfg,
phy = gbe_intf->slave->phy;
if (phy_has_hwtstamp(phy))
- return phy->mii_ts->hwtstamp(phy->mii_ts, cfg, extack);
+ return phy->mii_ts->hwtstamp_set(phy->mii_ts, cfg, extack);
switch (cfg->tx_type) {
case HWTSTAMP_TX_OFF:
diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c
index 3d1bd5aac093..9679f2b35a44 100644
--- a/drivers/net/pcs/pcs-xpcs.c
+++ b/drivers/net/pcs/pcs-xpcs.c
@@ -37,6 +37,16 @@ static const int xpcs_10gkr_features[] = {
__ETHTOOL_LINK_MODE_MASK_NBITS,
};
+static const int xpcs_25gbaser_features[] = {
+ ETHTOOL_LINK_MODE_MII_BIT,
+ ETHTOOL_LINK_MODE_Pause_BIT,
+ ETHTOOL_LINK_MODE_Asym_Pause_BIT,
+ ETHTOOL_LINK_MODE_25000baseCR_Full_BIT,
+ ETHTOOL_LINK_MODE_25000baseKR_Full_BIT,
+ ETHTOOL_LINK_MODE_25000baseSR_Full_BIT,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+};
+
static const int xpcs_xlgmii_features[] = {
ETHTOOL_LINK_MODE_Pause_BIT,
ETHTOOL_LINK_MODE_Asym_Pause_BIT,
@@ -67,6 +77,40 @@ static const int xpcs_xlgmii_features[] = {
__ETHTOOL_LINK_MODE_MASK_NBITS,
};
+static const int xpcs_50gbaser_features[] = {
+ ETHTOOL_LINK_MODE_MII_BIT,
+ ETHTOOL_LINK_MODE_Pause_BIT,
+ ETHTOOL_LINK_MODE_Asym_Pause_BIT,
+ ETHTOOL_LINK_MODE_50000baseKR_Full_BIT,
+ ETHTOOL_LINK_MODE_50000baseSR_Full_BIT,
+ ETHTOOL_LINK_MODE_50000baseCR_Full_BIT,
+ ETHTOOL_LINK_MODE_50000baseLR_ER_FR_Full_BIT,
+ ETHTOOL_LINK_MODE_50000baseDR_Full_BIT,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+};
+
+static const int xpcs_50gbaser2_features[] = {
+ ETHTOOL_LINK_MODE_MII_BIT,
+ ETHTOOL_LINK_MODE_Pause_BIT,
+ ETHTOOL_LINK_MODE_Asym_Pause_BIT,
+ ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT,
+ ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT,
+ ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+};
+
+static const int xpcs_100gbasep_features[] = {
+ ETHTOOL_LINK_MODE_MII_BIT,
+ ETHTOOL_LINK_MODE_Pause_BIT,
+ ETHTOOL_LINK_MODE_Asym_Pause_BIT,
+ ETHTOOL_LINK_MODE_100000baseKR2_Full_BIT,
+ ETHTOOL_LINK_MODE_100000baseSR2_Full_BIT,
+ ETHTOOL_LINK_MODE_100000baseCR2_Full_BIT,
+ ETHTOOL_LINK_MODE_100000baseLR2_ER2_FR2_Full_BIT,
+ ETHTOOL_LINK_MODE_100000baseDR2_Full_BIT,
+ __ETHTOOL_LINK_MODE_MASK_NBITS,
+};
+
static const int xpcs_10gbaser_features[] = {
ETHTOOL_LINK_MODE_Pause_BIT,
ETHTOOL_LINK_MODE_Asym_Pause_BIT,
@@ -523,9 +567,57 @@ static int xpcs_get_max_xlgmii_speed(struct dw_xpcs *xpcs,
return speed;
}
-static void xpcs_resolve_pma(struct dw_xpcs *xpcs,
- struct phylink_link_state *state)
+static int xpcs_c45_read_pcs_speed(struct dw_xpcs *xpcs,
+ struct phylink_link_state *state)
{
+ int pcs_ctrl1;
+
+ pcs_ctrl1 = xpcs_read(xpcs, MDIO_MMD_PCS, MDIO_CTRL1);
+ if (pcs_ctrl1 < 0)
+ return pcs_ctrl1;
+
+ switch (pcs_ctrl1 & MDIO_CTRL1_SPEEDSEL) {
+ case MDIO_PCS_CTRL1_SPEED25G:
+ state->speed = SPEED_25000;
+ break;
+ case MDIO_PCS_CTRL1_SPEED50G:
+ state->speed = SPEED_50000;
+ break;
+ case MDIO_PCS_CTRL1_SPEED100G:
+ state->speed = SPEED_100000;
+ break;
+ default:
+ state->speed = SPEED_UNKNOWN;
+ break;
+ }
+
+ return 0;
+}
+
+static int xpcs_resolve_pma(struct dw_xpcs *xpcs,
+ struct phylink_link_state *state)
+{
+ int pmd_rxdet, err = 0;
+
+ /* The Meta Platforms FBNIC PMD will go into a training state for
+ * about 4 seconds when the link first comes up. During this time the
+ * PCS link will bounce. To avoid reporting link up too soon we include
+ * the PMD state provided by the driver.
+ */
+ if (xpcs->info.pma == MP_FBNIC_XPCS_PMA_100G_ID) {
+ pmd_rxdet = xpcs_read(xpcs, MDIO_MMD_PMAPMD, MDIO_PMA_RXDET);
+ if (pmd_rxdet < 0) {
+ state->link = false;
+ return pmd_rxdet;
+ }
+
+ /* Verify Rx lanes are trained before reporting link up */
+ if (!(pmd_rxdet & MDIO_PMD_RXDET_GLOBAL)) {
+ state->link = false;
+ return 0;
+ }
+ }
+
state->pause = MLO_PAUSE_TX | MLO_PAUSE_RX;
state->duplex = DUPLEX_FULL;
@@ -536,10 +628,18 @@ static void xpcs_resolve_pma(struct dw_xpcs *xpcs,
case PHY_INTERFACE_MODE_XLGMII:
state->speed = xpcs_get_max_xlgmii_speed(xpcs, state);
break;
+ case PHY_INTERFACE_MODE_100GBASEP:
+ case PHY_INTERFACE_MODE_LAUI:
+ case PHY_INTERFACE_MODE_50GBASER:
+ case PHY_INTERFACE_MODE_25GBASER:
+ err = xpcs_c45_read_pcs_speed(xpcs, state);
+ break;
default:
state->speed = SPEED_UNKNOWN;
break;
}
+
+ return err;
}
static int xpcs_validate(struct phylink_pcs *pcs, unsigned long *supported,
@@ -945,10 +1045,10 @@ static int xpcs_get_state_c73(struct dw_xpcs *xpcs,
phylink_resolve_c73(state);
} else {
- xpcs_resolve_pma(xpcs, state);
+ ret = xpcs_resolve_pma(xpcs, state);
}
- return 0;
+ return ret;
}
static int xpcs_get_state_c37_sgmii(struct dw_xpcs *xpcs,
@@ -1284,17 +1384,16 @@ static int xpcs_read_ids(struct dw_xpcs *xpcs)
if (ret < 0)
return ret;
- id = ret;
+ id = ret << 16;
ret = xpcs_read(xpcs, MDIO_MMD_PMAPMD, MDIO_DEVID2);
if (ret < 0)
return ret;
- /* Note the inverted dword order and masked out Model/Revision numbers
- * with respect to what is done with the PCS ID...
+ /* For now we only record the OUI for the PMAPMD, we may want to
+ * add the model number at some point in the future.
*/
- ret = (ret >> 10) & 0x3F;
- id |= ret << 16;
+ id |= ret & MDIO_DEVID2_OUI;
/* Set the PMA ID if it hasn't been pre-initialized */
if (xpcs->info.pma == DW_XPCS_PMA_ID_NATIVE)
@@ -1313,10 +1412,26 @@ static const struct dw_xpcs_compat synopsys_xpcs_compat[] = {
.supported = xpcs_10gkr_features,
.an_mode = DW_AN_C73,
}, {
+ .interface = PHY_INTERFACE_MODE_25GBASER,
+ .supported = xpcs_25gbaser_features,
+ .an_mode = DW_AN_C73,
+ }, {
.interface = PHY_INTERFACE_MODE_XLGMII,
.supported = xpcs_xlgmii_features,
.an_mode = DW_AN_C73,
}, {
+ .interface = PHY_INTERFACE_MODE_50GBASER,
+ .supported = xpcs_50gbaser_features,
+ .an_mode = DW_AN_C73,
+ }, {
+ .interface = PHY_INTERFACE_MODE_LAUI,
+ .supported = xpcs_50gbaser2_features,
+ .an_mode = DW_AN_C73,
+ }, {
+ .interface = PHY_INTERFACE_MODE_100GBASEP,
+ .supported = xpcs_100gbasep_features,
+ .an_mode = DW_AN_C73,
+ }, {
.interface = PHY_INTERFACE_MODE_10GBASER,
.supported = xpcs_10gbaser_features,
.an_mode = DW_10GBASER,
@@ -1495,7 +1610,8 @@ static struct dw_xpcs *xpcs_create(struct mdio_device *mdiodev)
xpcs_get_interfaces(xpcs, xpcs->pcs.supported_interfaces);
- if (xpcs->info.pma == WX_TXGBE_XPCS_PMA_10G_ID)
+ if (xpcs->info.pma == WX_TXGBE_XPCS_PMA_10G_ID ||
+ xpcs->info.pma == MP_FBNIC_XPCS_PMA_100G_ID)
xpcs->pcs.poll = false;
else
xpcs->need_reset = true;
diff --git a/drivers/net/phy/bcm-phy-ptp.c b/drivers/net/phy/bcm-phy-ptp.c
index d3501f8487d9..65d609ed69fb 100644
--- a/drivers/net/phy/bcm-phy-ptp.c
+++ b/drivers/net/phy/bcm-phy-ptp.c
@@ -780,9 +780,21 @@ out:
kfree_skb(skb);
}
-static int bcm_ptp_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *cfg,
- struct netlink_ext_ack *extack)
+static int bcm_ptp_hwtstamp_get(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg)
+{
+ struct bcm_ptp_private *priv = mii2priv(mii_ts);
+
+ cfg->rx_filter = priv->hwts_rx ? HWTSTAMP_FILTER_PTP_V2_EVENT
+ : HWTSTAMP_FILTER_NONE;
+ cfg->tx_type = priv->tx_type;
+
+ return 0;
+}
+
+static int bcm_ptp_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct bcm_ptp_private *priv = mii2priv(mii_ts);
u16 mode, ctrl;
@@ -898,7 +910,8 @@ static void bcm_ptp_init(struct bcm_ptp_private *priv)
priv->mii_ts.rxtstamp = bcm_ptp_rxtstamp;
priv->mii_ts.txtstamp = bcm_ptp_txtstamp;
- priv->mii_ts.hwtstamp = bcm_ptp_hwtstamp;
+ priv->mii_ts.hwtstamp_set = bcm_ptp_hwtstamp_set;
+ priv->mii_ts.hwtstamp_get = bcm_ptp_hwtstamp_get;
priv->mii_ts.ts_info = bcm_ptp_ts_info;
priv->phydev->mii_ts = &priv->mii_ts;
diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
index 74396453f5bb..b950acc9c49b 100644
--- a/drivers/net/phy/dp83640.c
+++ b/drivers/net/phy/dp83640.c
@@ -1176,9 +1176,21 @@ static irqreturn_t dp83640_handle_interrupt(struct phy_device *phydev)
return IRQ_HANDLED;
}
-static int dp83640_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *cfg,
- struct netlink_ext_ack *extack)
+static int dp83640_hwtstamp_get(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg)
+{
+ struct dp83640_private *dp83640 =
+ container_of(mii_ts, struct dp83640_private, mii_ts);
+
+ cfg->rx_filter = dp83640->hwts_rx_en;
+ cfg->tx_type = dp83640->hwts_tx_en;
+
+ return 0;
+}
+
+static int dp83640_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct dp83640_private *dp83640 =
container_of(mii_ts, struct dp83640_private, mii_ts);
@@ -1198,7 +1210,7 @@ static int dp83640_hwtstamp(struct mii_timestamper *mii_ts,
case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
- dp83640->hwts_rx_en = 1;
+ dp83640->hwts_rx_en = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
dp83640->layer = PTP_CLASS_L4;
dp83640->version = PTP_CLASS_V1;
cfg->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
@@ -1206,7 +1218,7 @@ static int dp83640_hwtstamp(struct mii_timestamper *mii_ts,
case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
- dp83640->hwts_rx_en = 1;
+ dp83640->hwts_rx_en = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
dp83640->layer = PTP_CLASS_L4;
dp83640->version = PTP_CLASS_V2;
cfg->rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
@@ -1214,7 +1226,7 @@ static int dp83640_hwtstamp(struct mii_timestamper *mii_ts,
case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
- dp83640->hwts_rx_en = 1;
+ dp83640->hwts_rx_en = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
dp83640->layer = PTP_CLASS_L2;
dp83640->version = PTP_CLASS_V2;
cfg->rx_filter = HWTSTAMP_FILTER_PTP_V2_L2_EVENT;
@@ -1222,7 +1234,7 @@ static int dp83640_hwtstamp(struct mii_timestamper *mii_ts,
case HWTSTAMP_FILTER_PTP_V2_EVENT:
case HWTSTAMP_FILTER_PTP_V2_SYNC:
case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
- dp83640->hwts_rx_en = 1;
+ dp83640->hwts_rx_en = HWTSTAMP_FILTER_PTP_V2_EVENT;
dp83640->layer = PTP_CLASS_L4 | PTP_CLASS_L2;
dp83640->version = PTP_CLASS_V2;
cfg->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
@@ -1407,7 +1419,8 @@ static int dp83640_probe(struct phy_device *phydev)
dp83640->phydev = phydev;
dp83640->mii_ts.rxtstamp = dp83640_rxtstamp;
dp83640->mii_ts.txtstamp = dp83640_txtstamp;
- dp83640->mii_ts.hwtstamp = dp83640_hwtstamp;
+ dp83640->mii_ts.hwtstamp_set = dp83640_hwtstamp_set;
+ dp83640->mii_ts.hwtstamp_get = dp83640_hwtstamp_get;
dp83640->mii_ts.ts_info = dp83640_ts_info;
INIT_DELAYED_WORK(&dp83640->ts_work, rx_timestamp_work);
diff --git a/drivers/net/phy/dp83867.c b/drivers/net/phy/dp83867.c
index 36a0c1b7f59c..5f5de01c41e1 100644
--- a/drivers/net/phy/dp83867.c
+++ b/drivers/net/phy/dp83867.c
@@ -937,15 +937,15 @@ static void dp83867_link_change_notify(struct phy_device *phydev)
* whenever there is a link change.
*/
if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
- int val = 0;
+ int val;
- val = phy_clear_bits(phydev, DP83867_CFG2,
- DP83867_SGMII_AUTONEG_EN);
- if (val < 0)
- return;
+ val = phy_modify_changed(phydev, DP83867_CFG2,
+ DP83867_SGMII_AUTONEG_EN, 0);
- phy_set_bits(phydev, DP83867_CFG2,
- DP83867_SGMII_AUTONEG_EN);
+ /* Keep the in-band setting made by dp83867_config_inband() */
+ if (val != 0)
+ phy_set_bits(phydev, DP83867_CFG2,
+ DP83867_SGMII_AUTONEG_EN);
}
}
@@ -1116,6 +1116,25 @@ static int dp83867_led_polarity_set(struct phy_device *phydev, int index,
DP83867_LED_POLARITY(index), polarity);
}
+static unsigned int dp83867_inband_caps(struct phy_device *phydev,
+ phy_interface_t interface)
+{
+ if (interface == PHY_INTERFACE_MODE_SGMII)
+ return LINK_INBAND_ENABLE | LINK_INBAND_DISABLE;
+
+ return 0;
+}
+
+static int dp83867_config_inband(struct phy_device *phydev, unsigned int modes)
+{
+ int val = 0;
+
+ if (modes == LINK_INBAND_ENABLE)
+ val = DP83867_SGMII_AUTONEG_EN;
+
+ return phy_modify(phydev, DP83867_CFG2, DP83867_SGMII_AUTONEG_EN, val);
+}
+
static struct phy_driver dp83867_driver[] = {
{
.phy_id = DP83867_PHY_ID,
@@ -1149,6 +1168,9 @@ static struct phy_driver dp83867_driver[] = {
.led_hw_control_set = dp83867_led_hw_control_set,
.led_hw_control_get = dp83867_led_hw_control_get,
.led_polarity_set = dp83867_led_polarity_set,
+
+ .inband_caps = dp83867_inband_caps,
+ .config_inband = dp83867_config_inband,
},
};
module_phy_driver(dp83867_driver);
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 5d90ccc20df7..05de68b9f719 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -3147,9 +3147,9 @@ static void lan8814_flush_fifo(struct phy_device *phydev, bool egress)
lanphy_read_page_reg(phydev, LAN8814_PAGE_PORT_REGS, PTP_TSU_INT_STS);
}
-static int lan8814_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *config,
- struct netlink_ext_ack *extack)
+static int lan8814_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *config,
+ struct netlink_ext_ack *extack)
{
struct kszphy_ptp_priv *ptp_priv =
container_of(mii_ts, struct kszphy_ptp_priv, mii_ts);
@@ -4389,7 +4389,7 @@ static void lan8814_ptp_init(struct phy_device *phydev)
ptp_priv->mii_ts.rxtstamp = lan8814_rxtstamp;
ptp_priv->mii_ts.txtstamp = lan8814_txtstamp;
- ptp_priv->mii_ts.hwtstamp = lan8814_hwtstamp;
+ ptp_priv->mii_ts.hwtstamp_set = lan8814_hwtstamp_set;
ptp_priv->mii_ts.ts_info = lan8814_ts_info;
phydev->mii_ts = &ptp_priv->mii_ts;
@@ -5042,9 +5042,9 @@ static void lan8841_ptp_enable_processing(struct kszphy_ptp_priv *ptp_priv,
#define LAN8841_PTP_TX_TIMESTAMP_EN 443
#define LAN8841_PTP_TX_MOD 445
-static int lan8841_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *config,
- struct netlink_ext_ack *extack)
+static int lan8841_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *config,
+ struct netlink_ext_ack *extack)
{
struct kszphy_ptp_priv *ptp_priv = container_of(mii_ts, struct kszphy_ptp_priv, mii_ts);
struct phy_device *phydev = ptp_priv->phydev;
@@ -5924,7 +5924,7 @@ static int lan8841_probe(struct phy_device *phydev)
ptp_priv->mii_ts.rxtstamp = lan8841_rxtstamp;
ptp_priv->mii_ts.txtstamp = lan8814_txtstamp;
- ptp_priv->mii_ts.hwtstamp = lan8841_hwtstamp;
+ ptp_priv->mii_ts.hwtstamp_set = lan8841_hwtstamp_set;
ptp_priv->mii_ts.ts_info = lan8841_ts_info;
phydev->mii_ts = &ptp_priv->mii_ts;
diff --git a/drivers/net/phy/microchip_rds_ptp.c b/drivers/net/phy/microchip_rds_ptp.c
index e6514ce04c29..4c6326b0ceaf 100644
--- a/drivers/net/phy/microchip_rds_ptp.c
+++ b/drivers/net/phy/microchip_rds_ptp.c
@@ -476,9 +476,9 @@ static bool mchp_rds_ptp_rxtstamp(struct mii_timestamper *mii_ts,
return true;
}
-static int mchp_rds_ptp_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *config,
- struct netlink_ext_ack *extack)
+static int mchp_rds_ptp_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *config,
+ struct netlink_ext_ack *extack)
{
struct mchp_rds_ptp_clock *clock =
container_of(mii_ts, struct mchp_rds_ptp_clock,
@@ -1281,7 +1281,7 @@ struct mchp_rds_ptp_clock *mchp_rds_ptp_probe(struct phy_device *phydev, u8 mmd,
clock->mii_ts.rxtstamp = mchp_rds_ptp_rxtstamp;
clock->mii_ts.txtstamp = mchp_rds_ptp_txtstamp;
- clock->mii_ts.hwtstamp = mchp_rds_ptp_hwtstamp;
+ clock->mii_ts.hwtstamp_set = mchp_rds_ptp_hwtstamp_set;
clock->mii_ts.ts_info = mchp_rds_ptp_ts_info;
phydev->mii_ts = &clock->mii_ts;
diff --git a/drivers/net/phy/mscc/mscc_ptp.c b/drivers/net/phy/mscc/mscc_ptp.c
index d692df7d975c..4865eac74b0e 100644
--- a/drivers/net/phy/mscc/mscc_ptp.c
+++ b/drivers/net/phy/mscc/mscc_ptp.c
@@ -1051,9 +1051,21 @@ static void vsc85xx_ts_reset_fifo(struct phy_device *phydev)
val);
}
-static int vsc85xx_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *cfg,
- struct netlink_ext_ack *extack)
+static int vsc85xx_hwtstamp_get(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg)
+{
+ struct vsc8531_private *vsc8531 =
+ container_of(mii_ts, struct vsc8531_private, mii_ts);
+
+ cfg->tx_type = vsc8531->ptp->tx_type;
+ cfg->rx_filter = vsc8531->ptp->rx_filter;
+
+ return 0;
+}
+
+static int vsc85xx_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct vsc8531_private *vsc8531 =
container_of(mii_ts, struct vsc8531_private, mii_ts);
@@ -1611,7 +1623,8 @@ int vsc8584_ptp_probe(struct phy_device *phydev)
vsc8531->mii_ts.rxtstamp = vsc85xx_rxtstamp;
vsc8531->mii_ts.txtstamp = vsc85xx_txtstamp;
- vsc8531->mii_ts.hwtstamp = vsc85xx_hwtstamp;
+ vsc8531->mii_ts.hwtstamp_set = vsc85xx_hwtstamp_set;
+ vsc8531->mii_ts.hwtstamp_get = vsc85xx_hwtstamp_get;
vsc8531->mii_ts.ts_info = vsc85xx_ts_info;
phydev->mii_ts = &vsc8531->mii_ts;
diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c
index 87adb6508017..f526528d2e32 100644
--- a/drivers/net/phy/nxp-c45-tja11xx.c
+++ b/drivers/net/phy/nxp-c45-tja11xx.c
@@ -1012,9 +1012,22 @@ static bool nxp_c45_rxtstamp(struct mii_timestamper *mii_ts,
return true;
}
-static int nxp_c45_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *cfg,
- struct netlink_ext_ack *extack)
+static int nxp_c45_hwtstamp_get(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg)
+{
+ struct nxp_c45_phy *priv = container_of(mii_ts, struct nxp_c45_phy,
+ mii_ts);
+
+ cfg->tx_type = priv->hwts_tx;
+ cfg->rx_filter = priv->hwts_rx ? HWTSTAMP_FILTER_PTP_V2_L2_EVENT
+ : HWTSTAMP_FILTER_NONE;
+
+ return 0;
+}
+
+static int nxp_c45_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct nxp_c45_phy *priv = container_of(mii_ts, struct nxp_c45_phy,
mii_ts);
@@ -1749,7 +1762,8 @@ static int nxp_c45_probe(struct phy_device *phydev)
IS_ENABLED(CONFIG_NETWORK_PHY_TIMESTAMPING)) {
priv->mii_ts.rxtstamp = nxp_c45_rxtstamp;
priv->mii_ts.txtstamp = nxp_c45_txtstamp;
- priv->mii_ts.hwtstamp = nxp_c45_hwtstamp;
+ priv->mii_ts.hwtstamp_set = nxp_c45_hwtstamp_set;
+ priv->mii_ts.hwtstamp_get = nxp_c45_hwtstamp_get;
priv->mii_ts.ts_info = nxp_c45_ts_info;
phydev->mii_ts = &priv->mii_ts;
ret = nxp_c45_init_ptp_clock(priv);
diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index e8e5be4684ab..f5e23b53994f 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -148,12 +148,12 @@ int genphy_c45_pma_setup_forced(struct phy_device *phydev)
ctrl2 |= MDIO_PMA_CTRL2_1000BT;
break;
case SPEED_2500:
- ctrl1 |= MDIO_CTRL1_SPEED2_5G;
+ ctrl1 |= MDIO_PMA_CTRL1_SPEED2_5G;
/* Assume 2.5Gbase-T */
ctrl2 |= MDIO_PMA_CTRL2_2_5GBT;
break;
case SPEED_5000:
- ctrl1 |= MDIO_CTRL1_SPEED5G;
+ ctrl1 |= MDIO_PMA_CTRL1_SPEED5G;
/* Assume 5Gbase-T */
ctrl2 |= MDIO_PMA_CTRL2_5GBT;
break;
@@ -618,10 +618,10 @@ int genphy_c45_read_pma(struct phy_device *phydev)
case MDIO_PMA_CTRL1_SPEED1000:
phydev->speed = SPEED_1000;
break;
- case MDIO_CTRL1_SPEED2_5G:
+ case MDIO_PMA_CTRL1_SPEED2_5G:
phydev->speed = SPEED_2500;
break;
- case MDIO_CTRL1_SPEED5G:
+ case MDIO_PMA_CTRL1_SPEED5G:
phydev->speed = SPEED_5000;
break;
case MDIO_CTRL1_SPEED10G:
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 02da4a203ddd..13dd1691886d 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -405,12 +405,14 @@ int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd)
return 0;
case SIOCSHWTSTAMP:
- if (phydev->mii_ts && phydev->mii_ts->hwtstamp) {
+ if (phydev->mii_ts && phydev->mii_ts->hwtstamp_set) {
if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
return -EFAULT;
hwtstamp_config_to_kernel(&kernel_cfg, &cfg);
- ret = phydev->mii_ts->hwtstamp(phydev->mii_ts, &kernel_cfg, &extack);
+ ret = phydev->mii_ts->hwtstamp_set(phydev->mii_ts,
+ &kernel_cfg,
+ &extack);
if (ret)
return ret;
@@ -476,6 +478,9 @@ int __phy_hwtstamp_get(struct phy_device *phydev,
if (!phydev)
return -ENODEV;
+ if (phydev->mii_ts && phydev->mii_ts->hwtstamp_get)
+ return phydev->mii_ts->hwtstamp_get(phydev->mii_ts, config);
+
return -EOPNOTSUPP;
}
@@ -493,8 +498,9 @@ int __phy_hwtstamp_set(struct phy_device *phydev,
if (!phydev)
return -ENODEV;
- if (phydev->mii_ts && phydev->mii_ts->hwtstamp)
- return phydev->mii_ts->hwtstamp(phydev->mii_ts, config, extack);
+ if (phydev->mii_ts && phydev->mii_ts->hwtstamp_set)
+ return phydev->mii_ts->hwtstamp_set(phydev->mii_ts, config,
+ extack);
return -EOPNOTSUPP;
}
diff --git a/drivers/ptp/ptp_ines.c b/drivers/ptp/ptp_ines.c
index 68f1f7fdaa9d..790eb42b78db 100644
--- a/drivers/ptp/ptp_ines.c
+++ b/drivers/ptp/ptp_ines.c
@@ -328,9 +328,31 @@ static u64 ines_find_txts(struct ines_port *port, struct sk_buff *skb)
return ns;
}
-static int ines_hwtstamp(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *cfg,
- struct netlink_ext_ack *extack)
+static int ines_hwtstamp_get(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg)
+{
+ struct ines_port *port = container_of(mii_ts, struct ines_port, mii_ts);
+ unsigned long flags;
+ u32 port_conf;
+
+ cfg->rx_filter = port->rxts_enabled ? HWTSTAMP_FILTER_PTP_V2_EVENT
+ : HWTSTAMP_FILTER_NONE;
+ if (port->txts_enabled) {
+ spin_lock_irqsave(&port->lock, flags);
+ port_conf = ines_read32(port, port_conf);
+ spin_unlock_irqrestore(&port->lock, flags);
+ cfg->tx_type = (port_conf & CM_ONE_STEP) ? HWTSTAMP_TX_ONESTEP_P2P
+ : HWTSTAMP_TX_OFF;
+ } else {
+ cfg->tx_type = HWTSTAMP_TX_OFF;
+ }
+
+ return 0;
+}
+
+static int ines_hwtstamp_set(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *cfg,
+ struct netlink_ext_ack *extack)
{
struct ines_port *port = container_of(mii_ts, struct ines_port, mii_ts);
u32 cm_one_step = 0, port_conf, ts_stat_rx, ts_stat_tx;
@@ -709,7 +731,8 @@ static struct mii_timestamper *ines_ptp_probe_channel(struct device *device,
}
port->mii_ts.rxtstamp = ines_rxtstamp;
port->mii_ts.txtstamp = ines_txtstamp;
- port->mii_ts.hwtstamp = ines_hwtstamp;
+ port->mii_ts.hwtstamp_set = ines_hwtstamp_set;
+ port->mii_ts.hwtstamp_get = ines_hwtstamp_get;
port->mii_ts.link_state = ines_link_state;
port->mii_ts.ts_info = ines_ts_info;
diff --git a/include/linux/mii_timestamper.h b/include/linux/mii_timestamper.h
index 995db62570f9..3102c425c8e0 100644
--- a/include/linux/mii_timestamper.h
+++ b/include/linux/mii_timestamper.h
@@ -27,7 +27,9 @@ struct phy_device;
* as soon as a timestamp becomes available. One of the PTP_CLASS_
* values is passed in 'type'.
*
- * @hwtstamp: Handles SIOCSHWTSTAMP ioctl for hardware time stamping.
+ * @hwtstamp_set: Handles SIOCSHWTSTAMP ioctl for hardware time stamping.
+ *
+ * @hwtstamp_get: Handles SIOCGHWTSTAMP ioctl for hardware time stamping.
*
* @link_state: Allows the device to respond to changes in the link
* state. The caller invokes this function while holding
@@ -51,9 +53,12 @@ struct mii_timestamper {
void (*txtstamp)(struct mii_timestamper *mii_ts,
struct sk_buff *skb, int type);
- int (*hwtstamp)(struct mii_timestamper *mii_ts,
- struct kernel_hwtstamp_config *kernel_config,
- struct netlink_ext_ack *extack);
+ int (*hwtstamp_set)(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *kernel_config,
+ struct netlink_ext_ack *extack);
+
+ int (*hwtstamp_get)(struct mii_timestamper *mii_ts,
+ struct kernel_hwtstamp_config *kernel_config);
void (*link_state)(struct mii_timestamper *mii_ts,
struct phy_device *phydev);
diff --git a/include/linux/pcs/pcs-xpcs.h b/include/linux/pcs/pcs-xpcs.h
index e40f554ff717..36073f7b6bb4 100644
--- a/include/linux/pcs/pcs-xpcs.h
+++ b/include/linux/pcs/pcs-xpcs.h
@@ -38,7 +38,9 @@ enum dw_xpcs_pma_id {
DW_XPCS_PMA_GEN4_6G_ID,
DW_XPCS_PMA_GEN5_10G_ID,
DW_XPCS_PMA_GEN5_12G_ID,
- WX_TXGBE_XPCS_PMA_10G_ID = 0x0018fc80,
+ WX_TXGBE_XPCS_PMA_10G_ID = 0xfc806000,
+ /* Meta Platforms OUI 88:25:08, model 0, revision 0 */
+ MP_FBNIC_XPCS_PMA_100G_ID = 0x46904000,
};
struct dw_xpcs_info {
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 65b0c3ca6a2b..059a104223c4 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -1915,7 +1915,7 @@ static inline bool phy_polling_mode(struct phy_device *phydev)
*/
static inline bool phy_has_hwtstamp(struct phy_device *phydev)
{
- return phydev && phydev->mii_ts && phydev->mii_ts->hwtstamp;
+ return phydev && phydev->mii_ts && phydev->mii_ts->hwtstamp_set;
}
/**
@@ -1950,7 +1950,7 @@ static inline int phy_hwtstamp(struct phy_device *phydev,
struct kernel_hwtstamp_config *cfg,
struct netlink_ext_ack *extack)
{
- return phydev->mii_ts->hwtstamp(phydev->mii_ts, cfg, extack);
+ return phydev->mii_ts->hwtstamp_set(phydev->mii_ts, cfg, extack);
}
static inline bool phy_rxtstamp(struct phy_device *phydev, struct sk_buff *skb,
diff --git a/include/uapi/linux/mdio.h b/include/uapi/linux/mdio.h
index 6975f182b22c..8d769f100de6 100644
--- a/include/uapi/linux/mdio.h
+++ b/include/uapi/linux/mdio.h
@@ -116,10 +116,24 @@
#define MDIO_CTRL1_SPEED10G (MDIO_CTRL1_SPEEDSELEXT | 0x00)
/* 10PASS-TS/2BASE-TL */
#define MDIO_CTRL1_SPEED10P2B (MDIO_CTRL1_SPEEDSELEXT | 0x04)
+/* Note: the MDIO_CTRL1_SPEED_XXX values for everything past 10PASS-TS/2BASE-TL
+ * do not match between the PCS and PMA values. Any additions past this point
+ * should be PMA or PCS specific. The following 2 defines are workarounds for
+ * values added before this was caught. They should be considered deprecated.
+ */
+#define MDIO_CTRL1_SPEED2_5G MDIO_PMA_CTRL1_SPEED2_5G
+#define MDIO_CTRL1_SPEED5G MDIO_PMA_CTRL1_SPEED5G
+/* 100 Gb/s */
+#define MDIO_PCS_CTRL1_SPEED100G (MDIO_CTRL1_SPEEDSELEXT | 0x10)
+/* 25 Gb/s */
+#define MDIO_PCS_CTRL1_SPEED25G (MDIO_CTRL1_SPEEDSELEXT | 0x14)
+/* 50 Gb/s */
+#define MDIO_PCS_CTRL1_SPEED50G (MDIO_CTRL1_SPEEDSELEXT | 0x18)
/* 2.5 Gb/s */
-#define MDIO_CTRL1_SPEED2_5G (MDIO_CTRL1_SPEEDSELEXT | 0x18)
+#define MDIO_PMA_CTRL1_SPEED2_5G (MDIO_CTRL1_SPEEDSELEXT | 0x18)
/* 5 Gb/s */
-#define MDIO_CTRL1_SPEED5G (MDIO_CTRL1_SPEEDSELEXT | 0x1c)
+#define MDIO_PMA_CTRL1_SPEED5G (MDIO_CTRL1_SPEEDSELEXT | 0x1c)
+
/* Status register 1. */
#define MDIO_STAT1_LPOWERABLE 0x0002 /* Low-power ability */
@@ -133,6 +147,11 @@
#define MDIO_AN_STAT1_PAGE 0x0040 /* Page received */
#define MDIO_AN_STAT1_XNP 0x0080 /* Extended next page status */
+/* Device Identifier 2 */
+#define MDIO_DEVID2_OUI 0xfc00 /* OUI Portion of PHY ID */
+#define MDIO_DEVID2_MODEL_NUM 0x03f0 /* Manufacturer's Model Number */
+#define MDIO_DEVID2_REV_NUM 0x000f /* Revision Number */
+
/* Speed register. */
#define MDIO_SPEED_10G 0x0001 /* 10G capable */
#define MDIO_PMA_SPEED_2B 0x0002 /* 2BASE-TL capable */
diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c
index 0720ccc14df9..53a53357cfef 100644
--- a/net/core/dev_ioctl.c
+++ b/net/core/dev_ioctl.c
@@ -249,10 +249,11 @@ int net_hwtstamp_validate(const struct kernel_hwtstamp_config *cfg)
*
* Helper for calling the default hardware provider timestamping.
*
- * Note: phy_mii_ioctl() only handles SIOCSHWTSTAMP (not SIOCGHWTSTAMP), and
- * there only exists a phydev->mii_ts->hwtstamp() method. So this will return
- * -EOPNOTSUPP for phylib for now, which is still more accurate than letting
- * the netdev handle the GET request.
+ * Note: phy_mii_ioctl() only handles SIOCSHWTSTAMP (not SIOCGHWTSTAMP), but
+ * phydev->mii_ts has both hwtstamp_get() and hwtstamp_set() methods. So this
+ * will return -EOPNOTSUPP for phylib only if hwtstamp_get() is not
+ * implemented for now, which is still more accurate than letting the netdev
+ * handle the GET request.
*/
int dev_get_hwtstamp_phylib(struct net_device *dev,
struct kernel_hwtstamp_config *cfg)
diff --git a/tools/net/ynl/Makefile b/tools/net/ynl/Makefile
index 31ed20c0f3f8..a40591e513b7 100644
--- a/tools/net/ynl/Makefile
+++ b/tools/net/ynl/Makefile
@@ -12,7 +12,7 @@ endif
libdir ?= $(prefix)/$(libdir_relative)
includedir ?= $(prefix)/include
-SUBDIRS = lib generated samples ynltool
+SUBDIRS = lib generated samples ynltool tests
all: $(SUBDIRS) libynl.a
@@ -49,5 +49,9 @@ install: libynl.a lib/*.h
@echo -e "\tINSTALL pyynl"
@pip install --prefix=$(DESTDIR)$(prefix) .
@make -C generated install
+ @make -C tests install
-.PHONY: all clean distclean install $(SUBDIRS)
+run_tests:
+ @$(MAKE) -C tests run_tests
+
+.PHONY: all clean distclean install run_tests $(SUBDIRS)
diff --git a/tools/net/ynl/tests/Makefile b/tools/net/ynl/tests/Makefile
new file mode 100644
index 000000000000..c1df2e001255
--- /dev/null
+++ b/tools/net/ynl/tests/Makefile
@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for YNL tests
+
+TESTS := \
+ test_ynl_cli.sh \
+ test_ynl_ethtool.sh \
+# end of TESTS
+
+all: $(TESTS)
+
+run_tests:
+ @for test in $(TESTS); do \
+ ./$$test; \
+ done
+
+install: $(TESTS)
+ @mkdir -p $(DESTDIR)/usr/bin
+ @mkdir -p $(DESTDIR)/usr/share/kselftest
+ @cp ../../../testing/selftests/kselftest/ktap_helpers.sh $(DESTDIR)/usr/share/kselftest/
+ @for test in $(TESTS); do \
+ name=$$(basename $$test .sh); \
+ sed -e 's|^ynl=.*|ynl="ynl"|' \
+ -e 's|^ynl_ethtool=.*|ynl_ethtool="ynl-ethtool"|' \
+ -e 's|KSELFTEST_KTAP_HELPERS=.*|KSELFTEST_KTAP_HELPERS="/usr/share/kselftest/ktap_helpers.sh"|' \
+ $$test > $(DESTDIR)/usr/bin/$$name; \
+ chmod +x $(DESTDIR)/usr/bin/$$name; \
+ done
+
+clean distclean:
+ @# Nothing to clean
+
+.PHONY: all install clean run_tests
diff --git a/tools/net/ynl/tests/config b/tools/net/ynl/tests/config
new file mode 100644
index 000000000000..339f1309c03f
--- /dev/null
+++ b/tools/net/ynl/tests/config
@@ -0,0 +1,6 @@
+CONFIG_DUMMY=m
+CONFIG_INET_DIAG=y
+CONFIG_IPV6=y
+CONFIG_NET_NS=y
+CONFIG_NETDEVSIM=m
+CONFIG_VETH=m
diff --git a/tools/net/ynl/tests/test_ynl_cli.sh b/tools/net/ynl/tests/test_ynl_cli.sh
new file mode 100755
index 000000000000..7c0722a08117
--- /dev/null
+++ b/tools/net/ynl/tests/test_ynl_cli.sh
@@ -0,0 +1,327 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Test YNL CLI functionality
+
+# Load KTAP test helpers
+KSELFTEST_KTAP_HELPERS="$(dirname "$(realpath "$0")")/../../../testing/selftests/kselftest/ktap_helpers.sh"
+# shellcheck source=../../../testing/selftests/kselftest/ktap_helpers.sh
+source "$KSELFTEST_KTAP_HELPERS"
+
+# Default ynl path for direct execution, can be overridden by make install
+ynl="../pyynl/cli.py"
+
+readonly NSIM_ID="1338"
+readonly NSIM_DEV_NAME="nsim${NSIM_ID}"
+readonly VETH_A="veth_a"
+readonly VETH_B="veth_b"
+
+testns="ynl-$(mktemp -u XXXXXX)"
+TESTS_NO=0
+
+# Test listing available families
+cli_list_families()
+{
+ if $ynl --list-families &>/dev/null; then
+ ktap_test_pass "YNL CLI list families"
+ else
+ ktap_test_fail "YNL CLI list families"
+ fi
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+# Test netdev family operations (dev-get, queue-get)
+cli_netdev_ops()
+{
+ local dev_output
+ local ifindex
+
+ ifindex=$(ip netns exec "$testns" cat /sys/class/net/"$NSIM_DEV_NAME"/ifindex 2>/dev/null)
+
+ dev_output=$(ip netns exec "$testns" $ynl --family netdev \
+ --do dev-get --json "{\"ifindex\": $ifindex}" 2>/dev/null)
+
+ if ! echo "$dev_output" | grep -q "ifindex"; then
+ ktap_test_fail "YNL CLI netdev operations (netdev dev-get output missing ifindex)"
+ return
+ fi
+
+ if ! ip netns exec "$testns" $ynl --family netdev \
+ --dump queue-get --json "{\"ifindex\": $ifindex}" &>/dev/null; then
+ ktap_test_fail "YNL CLI netdev operations (failed to get netdev queue info)"
+ return
+ fi
+
+ ktap_test_pass "YNL CLI netdev operations"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+# Test ethtool family operations (rings-get, linkinfo-get)
+cli_ethtool_ops()
+{
+ local rings_output
+ local linkinfo_output
+
+ rings_output=$(ip netns exec "$testns" $ynl --family ethtool \
+ --do rings-get --json "{\"header\": {\"dev-name\": \"$NSIM_DEV_NAME\"}}" 2>/dev/null)
+
+ if ! echo "$rings_output" | grep -q "header"; then
+ ktap_test_fail "YNL CLI ethtool operations (ethtool rings-get output missing header)"
+ return
+ fi
+
+ linkinfo_output=$(ip netns exec "$testns" $ynl --family ethtool \
+ --do linkinfo-get --json "{\"header\": {\"dev-name\": \"$VETH_A\"}}" 2>/dev/null)
+
+ if ! echo "$linkinfo_output" | grep -q "header"; then
+ ktap_test_fail "YNL CLI ethtool operations (ethtool linkinfo-get output missing header)"
+ return
+ fi
+
+ ktap_test_pass "YNL CLI ethtool operations"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+# Test rt-route family operations
+cli_rt_route_ops()
+{
+ local ifindex
+
+ if ! $ynl --list-families 2>/dev/null | grep -q "rt-route"; then
+ ktap_test_skip "YNL CLI rt-route operations (rt-route family not available)"
+ return
+ fi
+
+ ifindex=$(ip netns exec "$testns" cat /sys/class/net/"$NSIM_DEV_NAME"/ifindex 2>/dev/null)
+
+ # Add route: 192.0.2.0/24 dev $dev scope link
+ if ! ip netns exec "$testns" $ynl --family rt-route --do newroute --create \
+ --json "{\"dst\": \"192.0.2.0\", \"oif\": $ifindex, \"rtm-dst-len\": 24, \"rtm-family\": 2, \"rtm-scope\": 253, \"rtm-type\": 1, \"rtm-protocol\": 3, \"rtm-table\": 254}" &>/dev/null; then
+ ktap_test_fail "YNL CLI rt-route operations (failed to add route)"
+ return
+ fi
+
+ local route_output
+ route_output=$(ip netns exec "$testns" $ynl --family rt-route --dump getroute 2>/dev/null)
+ if echo "$route_output" | grep -q "192.0.2.0"; then
+ ktap_test_pass "YNL CLI rt-route operations"
+ else
+ ktap_test_fail "YNL CLI rt-route operations (failed to verify route)"
+ fi
+
+ ip netns exec "$testns" $ynl --family rt-route --do delroute \
+ --json "{\"dst\": \"192.0.2.0\", \"oif\": $ifindex, \"rtm-dst-len\": 24, \"rtm-family\": 2, \"rtm-scope\": 253, \"rtm-type\": 1, \"rtm-protocol\": 3, \"rtm-table\": 254}" &>/dev/null
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+# Test rt-addr family operations
+cli_rt_addr_ops()
+{
+ local ifindex
+
+ if ! $ynl --list-families 2>/dev/null | grep -q "rt-addr"; then
+ ktap_test_skip "YNL CLI rt-addr operations (rt-addr family not available)"
+ return
+ fi
+
+ ifindex=$(ip netns exec "$testns" cat /sys/class/net/"$NSIM_DEV_NAME"/ifindex 2>/dev/null)
+
+ if ! ip netns exec "$testns" $ynl --family rt-addr --do newaddr \
+ --json "{\"ifa-index\": $ifindex, \"local\": \"192.0.2.100\", \"ifa-prefixlen\": 24, \"ifa-family\": 2}" &>/dev/null; then
+ ktap_test_fail "YNL CLI rt-addr operations (failed to add address)"
+ return
+ fi
+
+ local addr_output
+ addr_output=$(ip netns exec "$testns" $ynl --family rt-addr --dump getaddr 2>/dev/null)
+ if echo "$addr_output" | grep -q "192.0.2.100"; then
+ ktap_test_pass "YNL CLI rt-addr operations"
+ else
+ ktap_test_fail "YNL CLI rt-addr operations (failed to verify address)"
+ fi
+
+ ip netns exec "$testns" $ynl --family rt-addr --do deladdr \
+ --json "{\"ifa-index\": $ifindex, \"local\": \"192.0.2.100\", \"ifa-prefixlen\": 24, \"ifa-family\": 2}" &>/dev/null
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+# Test rt-link family operations
+cli_rt_link_ops()
+{
+ if ! $ynl --list-families 2>/dev/null | grep -q "rt-link"; then
+ ktap_test_skip "YNL CLI rt-link operations (rt-link family not available)"
+ return
+ fi
+
+ if ! ip netns exec "$testns" $ynl --family rt-link --do newlink --create \
+ --json "{\"ifname\": \"dummy0\", \"linkinfo\": {\"kind\": \"dummy\"}}" &>/dev/null; then
+ ktap_test_fail "YNL CLI rt-link operations (failed to add link)"
+ return
+ fi
+
+ local link_output
+ link_output=$(ip netns exec "$testns" $ynl --family rt-link --dump getlink 2>/dev/null)
+ if echo "$link_output" | grep -q "$NSIM_DEV_NAME" && echo "$link_output" | grep -q "dummy0"; then
+ ktap_test_pass "YNL CLI rt-link operations"
+ else
+ ktap_test_fail "YNL CLI rt-link operations (failed to verify link)"
+ fi
+
+ ip netns exec "$testns" $ynl --family rt-link --do dellink \
+ --json "{\"ifname\": \"dummy0\"}" &>/dev/null
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+# Test rt-neigh family operations
+cli_rt_neigh_ops()
+{
+ local ifindex
+
+ if ! $ynl --list-families 2>/dev/null | grep -q "rt-neigh"; then
+ ktap_test_skip "YNL CLI rt-neigh operations (rt-neigh family not available)"
+ return
+ fi
+
+ ifindex=$(ip netns exec "$testns" cat /sys/class/net/"$NSIM_DEV_NAME"/ifindex 2>/dev/null)
+
+ # Add neighbor: 192.0.2.1 dev nsim1338 lladdr 11:22:33:44:55:66 PERMANENT
+ if ! ip netns exec "$testns" $ynl --family rt-neigh --do newneigh --create \
+ --json "{\"ndm-ifindex\": $ifindex, \"dst\": \"192.0.2.1\", \"lladdr\": \"11:22:33:44:55:66\", \"ndm-family\": 2, \"ndm-state\": 128}" &>/dev/null; then
+ ktap_test_fail "YNL CLI rt-neigh operations (failed to add neighbor)"
+ fi
+
+ local neigh_output
+ neigh_output=$(ip netns exec "$testns" $ynl --family rt-neigh --dump getneigh 2>/dev/null)
+ if echo "$neigh_output" | grep -q "192.0.2.1"; then
+ ktap_test_pass "YNL CLI rt-neigh operations"
+ else
+ ktap_test_fail "YNL CLI rt-neigh operations (failed to verify neighbor)"
+ fi
+
+ ip netns exec "$testns" $ynl --family rt-neigh --do delneigh \
+ --json "{\"ndm-ifindex\": $ifindex, \"dst\": \"192.0.2.1\", \"lladdr\": \"11:22:33:44:55:66\", \"ndm-family\": 2}" &>/dev/null
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+# Test rt-rule family operations
+cli_rt_rule_ops()
+{
+ if ! $ynl --list-families 2>/dev/null | grep -q "rt-rule"; then
+ ktap_test_skip "YNL CLI rt-rule operations (rt-rule family not available)"
+ return
+ fi
+
+ # Add rule: from 192.0.2.0/24 lookup 100 none
+ if ! ip netns exec "$testns" $ynl --family rt-rule --do newrule \
+ --json "{\"family\": 2, \"src-len\": 24, \"src\": \"192.0.2.0\", \"table\": 100}" &>/dev/null; then
+ ktap_test_fail "YNL CLI rt-rule operations (failed to add rule)"
+ return
+ fi
+
+ local rule_output
+ rule_output=$(ip netns exec "$testns" $ynl --family rt-rule --dump getrule 2>/dev/null)
+ if echo "$rule_output" | grep -q "192.0.2.0"; then
+ ktap_test_pass "YNL CLI rt-rule operations"
+ else
+ ktap_test_fail "YNL CLI rt-rule operations (failed to verify rule)"
+ fi
+
+ ip netns exec "$testns" $ynl --family rt-rule --do delrule \
+ --json "{\"family\": 2, \"src-len\": 24, \"src\": \"192.0.2.0\", \"table\": 100}" &>/dev/null
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+# Test nlctrl family operations
+cli_nlctrl_ops()
+{
+ local family_output
+
+ if ! family_output=$($ynl --family nlctrl \
+ --do getfamily --json "{\"family-name\": \"netdev\"}" 2>/dev/null); then
+ ktap_test_fail "YNL CLI nlctrl getfamily (failed to get nlctrl family info)"
+ return
+ fi
+
+ if ! echo "$family_output" | grep -q "family-name"; then
+ ktap_test_fail "YNL CLI nlctrl getfamily (nlctrl getfamily output missing family-name)"
+ return
+ fi
+
+ if ! echo "$family_output" | grep -q "family-id"; then
+ ktap_test_fail "YNL CLI nlctrl getfamily (nlctrl getfamily output missing family-id)"
+ return
+ fi
+
+ ktap_test_pass "YNL CLI nlctrl getfamily"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+setup()
+{
+ modprobe netdevsim &> /dev/null
+ if ! [ -f /sys/bus/netdevsim/new_device ]; then
+ ktap_skip_all "netdevsim module not available"
+ exit "$KSFT_SKIP"
+ fi
+
+ if ! ip netns add "$testns" 2>/dev/null; then
+ ktap_skip_all "failed to create test namespace"
+ exit "$KSFT_SKIP"
+ fi
+
+ echo "$NSIM_ID 1" | ip netns exec "$testns" tee /sys/bus/netdevsim/new_device >/dev/null 2>&1 || {
+ ktap_skip_all "failed to create netdevsim device"
+ exit "$KSFT_SKIP"
+ }
+
+ local dev
+ dev=$(ip netns exec "$testns" ls /sys/bus/netdevsim/devices/netdevsim$NSIM_ID/net 2>/dev/null | head -1)
+ if [[ -z "$dev" ]]; then
+ ktap_skip_all "failed to find netdevsim device"
+ exit "$KSFT_SKIP"
+ fi
+
+ ip -netns "$testns" link set dev "$dev" name "$NSIM_DEV_NAME" 2>/dev/null || {
+ ktap_skip_all "failed to rename netdevsim device"
+ exit "$KSFT_SKIP"
+ }
+
+ ip -netns "$testns" link set dev "$NSIM_DEV_NAME" up 2>/dev/null
+
+ if ! ip -n "$testns" link add "$VETH_A" type veth peer name "$VETH_B" 2>/dev/null; then
+ ktap_skip_all "failed to create veth pair"
+ exit "$KSFT_SKIP"
+ fi
+
+ ip -n "$testns" link set "$VETH_A" up 2>/dev/null
+ ip -n "$testns" link set "$VETH_B" up 2>/dev/null
+}
+
+cleanup()
+{
+ ip netns exec "$testns" bash -c "echo $NSIM_ID > /sys/bus/netdevsim/del_device" 2>/dev/null || true
+ ip netns del "$testns" 2>/dev/null || true
+}
+
+# Check if ynl command is available
+if ! command -v $ynl &>/dev/null && [[ ! -x $ynl ]]; then
+ ktap_skip_all "ynl command not found: $ynl"
+ exit "$KSFT_SKIP"
+fi
+
+trap cleanup EXIT
+
+ktap_print_header
+setup
+ktap_set_plan "${TESTS_NO}"
+
+cli_list_families
+cli_netdev_ops
+cli_ethtool_ops
+cli_rt_route_ops
+cli_rt_addr_ops
+cli_rt_link_ops
+cli_rt_neigh_ops
+cli_rt_rule_ops
+cli_nlctrl_ops
+
+ktap_finished
diff --git a/tools/net/ynl/tests/test_ynl_ethtool.sh b/tools/net/ynl/tests/test_ynl_ethtool.sh
new file mode 100755
index 000000000000..b826269017f4
--- /dev/null
+++ b/tools/net/ynl/tests/test_ynl_ethtool.sh
@@ -0,0 +1,222 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Test YNL ethtool functionality
+
+# Load KTAP test helpers
+KSELFTEST_KTAP_HELPERS="$(dirname "$(realpath "$0")")/../../../testing/selftests/kselftest/ktap_helpers.sh"
+# shellcheck source=../../../testing/selftests/kselftest/ktap_helpers.sh
+source "$KSELFTEST_KTAP_HELPERS"
+
+# Default ynl-ethtool path for direct execution, can be overridden by make install
+ynl_ethtool="../pyynl/ethtool.py"
+
+readonly NSIM_ID="1337"
+readonly NSIM_DEV_NAME="nsim${NSIM_ID}"
+readonly VETH_A="veth_a"
+readonly VETH_B="veth_b"
+
+testns="ynl-ethtool-$(mktemp -u XXXXXX)"
+TESTS_NO=0
+
+# Uses veth device as netdevsim doesn't support basic ethtool device info
+ethtool_device_info()
+{
+ local info_output
+
+ info_output=$(ip netns exec "$testns" $ynl_ethtool "$VETH_A" 2>/dev/null)
+
+ if ! echo "$info_output" | grep -q "Settings for"; then
+ ktap_test_fail "YNL ethtool device info (device info output missing expected content)"
+ return
+ fi
+
+ ktap_test_pass "YNL ethtool device info"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+ethtool_statistics()
+{
+ local stats_output
+
+ stats_output=$(ip netns exec "$testns" $ynl_ethtool --statistics "$NSIM_DEV_NAME" 2>/dev/null)
+
+ if ! echo "$stats_output" | grep -q -E "(NIC statistics|packets|bytes)"; then
+ ktap_test_fail "YNL ethtool statistics (statistics output missing expected content)"
+ return
+ fi
+
+ ktap_test_pass "YNL ethtool statistics"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+ethtool_ring_params()
+{
+ local ring_output
+
+ ring_output=$(ip netns exec "$testns" $ynl_ethtool --show-ring "$NSIM_DEV_NAME" 2>/dev/null)
+
+ if ! echo "$ring_output" | grep -q -E "(Ring parameters|RX|TX)"; then
+ ktap_test_fail "YNL ethtool ring parameters (ring parameters output missing expected content)"
+ return
+ fi
+
+ if ! ip netns exec "$testns" $ynl_ethtool --set-ring "$NSIM_DEV_NAME" rx 64 2>/dev/null; then
+ ktap_test_fail "YNL ethtool ring parameters (set-ring command failed unexpectedly)"
+ return
+ fi
+
+ ktap_test_pass "YNL ethtool ring parameters (show/set)"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+ethtool_coalesce_params()
+{
+ if ! ip netns exec "$testns" $ynl_ethtool --show-coalesce "$NSIM_DEV_NAME" &>/dev/null; then
+ ktap_test_fail "YNL ethtool coalesce parameters (failed to get coalesce parameters)"
+ return
+ fi
+
+ if ! ip netns exec "$testns" $ynl_ethtool --set-coalesce "$NSIM_DEV_NAME" rx-usecs 50 2>/dev/null; then
+ ktap_test_fail "YNL ethtool coalesce parameters (set-coalesce command failed unexpectedly)"
+ return
+ fi
+
+ ktap_test_pass "YNL ethtool coalesce parameters (show/set)"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+ethtool_pause_params()
+{
+ if ! ip netns exec "$testns" $ynl_ethtool --show-pause "$NSIM_DEV_NAME" &>/dev/null; then
+ ktap_test_fail "YNL ethtool pause parameters (failed to get pause parameters)"
+ return
+ fi
+
+ if ! ip netns exec "$testns" $ynl_ethtool --set-pause "$NSIM_DEV_NAME" tx 1 rx 1 2>/dev/null; then
+ ktap_test_fail "YNL ethtool pause parameters (set-pause command failed unexpectedly)"
+ return
+ fi
+
+ ktap_test_pass "YNL ethtool pause parameters (show/set)"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+ethtool_features_info()
+{
+ local features_output
+
+ features_output=$(ip netns exec "$testns" $ynl_ethtool --show-features "$NSIM_DEV_NAME" 2>/dev/null)
+
+ if ! echo "$features_output" | grep -q -E "(Features|offload)"; then
+ ktap_test_fail "YNL ethtool features info (features output missing expected content)"
+ return
+ fi
+
+ ktap_test_pass "YNL ethtool features info (show/set)"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+ethtool_channels_info()
+{
+ local channels_output
+
+ channels_output=$(ip netns exec "$testns" $ynl_ethtool --show-channels "$NSIM_DEV_NAME" 2>/dev/null)
+
+ if ! echo "$channels_output" | grep -q -E "(Channel|Combined|RX|TX)"; then
+ ktap_test_fail "YNL ethtool channels info (channels output missing expected content)"
+ return
+ fi
+
+ if ! ip netns exec "$testns" $ynl_ethtool --set-channels "$NSIM_DEV_NAME" combined-count 1 2>/dev/null; then
+ ktap_test_fail "YNL ethtool channels info (set-channels command failed unexpectedly)"
+ return
+ fi
+
+ ktap_test_pass "YNL ethtool channels info (show/set)"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+ethtool_time_stamping()
+{
+ local ts_output
+
+ ts_output=$(ip netns exec "$testns" $ynl_ethtool --show-time-stamping "$NSIM_DEV_NAME" 2>/dev/null)
+
+ if ! echo "$ts_output" | grep -q -E "(Time stamping|timestamping|SOF_TIMESTAMPING)"; then
+ ktap_test_fail "YNL ethtool time stamping (time stamping output missing expected content)"
+ return
+ fi
+
+ ktap_test_pass "YNL ethtool time stamping"
+}
+TESTS_NO=$((TESTS_NO + 1))
+
+setup()
+{
+ modprobe netdevsim &> /dev/null
+ if ! [ -f /sys/bus/netdevsim/new_device ]; then
+ ktap_skip_all "netdevsim module not available"
+ exit "$KSFT_SKIP"
+ fi
+
+ if ! ip netns add "$testns" 2>/dev/null; then
+ ktap_skip_all "failed to create test namespace"
+ exit "$KSFT_SKIP"
+ fi
+
+ echo "$NSIM_ID 1" | ip netns exec "$testns" tee /sys/bus/netdevsim/new_device >/dev/null 2>&1 || {
+ ktap_skip_all "failed to create netdevsim device"
+ exit "$KSFT_SKIP"
+ }
+
+ local dev
+ dev=$(ip netns exec "$testns" ls /sys/bus/netdevsim/devices/netdevsim$NSIM_ID/net 2>/dev/null | head -1)
+ if [[ -z "$dev" ]]; then
+ ktap_skip_all "failed to find netdevsim device"
+ exit "$KSFT_SKIP"
+ fi
+
+ ip -netns "$testns" link set dev "$dev" name "$NSIM_DEV_NAME" 2>/dev/null || {
+ ktap_skip_all "failed to rename netdevsim device"
+ exit "$KSFT_SKIP"
+ }
+
+ ip -netns "$testns" link set dev "$NSIM_DEV_NAME" up 2>/dev/null
+
+ if ! ip -n "$testns" link add "$VETH_A" type veth peer name "$VETH_B" 2>/dev/null; then
+ ktap_skip_all "failed to create veth pair"
+ exit "$KSFT_SKIP"
+ fi
+
+ ip -n "$testns" link set "$VETH_A" up 2>/dev/null
+ ip -n "$testns" link set "$VETH_B" up 2>/dev/null
+}
+
+cleanup()
+{
+ ip netns exec "$testns" bash -c "echo $NSIM_ID > /sys/bus/netdevsim/del_device" 2>/dev/null || true
+ ip netns del "$testns" 2>/dev/null || true
+}
+
+# Check if ynl-ethtool command is available
+if ! command -v $ynl_ethtool &>/dev/null && [[ ! -x $ynl_ethtool ]]; then
+ ktap_skip_all "ynl-ethtool command not found: $ynl_ethtool"
+ exit "$KSFT_SKIP"
+fi
+
+trap cleanup EXIT
+
+ktap_print_header
+setup
+ktap_set_plan "${TESTS_NO}"
+
+ethtool_device_info
+ethtool_statistics
+ethtool_ring_params
+ethtool_coalesce_params
+ethtool_pause_params
+ethtool_features_info
+ethtool_channels_info
+ethtool_time_stamping
+
+ktap_finished
diff --git a/tools/testing/selftests/net/af_unix/unix_connreset.c b/tools/testing/selftests/net/af_unix/unix_connreset.c
index 6eb936207b31..08c1de8f5a98 100644
--- a/tools/testing/selftests/net/af_unix/unix_connreset.c
+++ b/tools/testing/selftests/net/af_unix/unix_connreset.c
@@ -14,7 +14,6 @@
*/
#define _GNU_SOURCE
-#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <unistd.h>
diff --git a/tools/testing/selftests/net/packetdrill/tcp_syscall_bad_arg_sendmsg-empty-iov.pkt b/tools/testing/selftests/net/packetdrill/tcp_syscall_bad_arg_sendmsg-empty-iov.pkt
index b2b2cdf27e20..454441e7ecff 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_syscall_bad_arg_sendmsg-empty-iov.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_syscall_bad_arg_sendmsg-empty-iov.pkt
@@ -1,6 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
// Test that we correctly skip zero-length IOVs.
+
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
+
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
+0 setsockopt(3, SOL_SOCKET, SO_ZEROCOPY, [1], 4) = 0
+0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_basic.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_basic.pkt
index a82c8899d36b..0a0700afdaa3 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_basic.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_basic.pkt
@@ -4,6 +4,8 @@
// send a packet with MSG_ZEROCOPY and receive the notification ID
// repeat and verify IDs are consecutive
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_batch.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_batch.pkt
index c01915e7f4a1..df91675d2991 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_batch.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_batch.pkt
@@ -3,6 +3,8 @@
//
// send multiple packets, then read one range of all notifications.
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_client.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_client.pkt
index 6509882932e9..2963cfcb14df 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_client.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_client.pkt
@@ -1,6 +1,8 @@
// SPDX-License-Identifier: GPL-2.0
// Minimal client-side zerocopy test
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 4
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_closed.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_closed.pkt
index 2cd78755cb2a..ea0c2fa73c2d 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_closed.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_closed.pkt
@@ -7,6 +7,8 @@
// First send on a closed socket and wait for (absent) notification.
// Then connect and send and verify that notification nr. is zero.
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 4
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_edge.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_edge.pkt
index 7671c20e01cf..4df978a9b82e 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_edge.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_edge.pkt
@@ -7,6 +7,9 @@
// fire two sends with MSG_ZEROCOPY and receive the acks. confirm that EPOLLERR
// is correctly fired only once, when EPOLLET is set. send another packet with
// MSG_ZEROCOPY. confirm that EPOLLERR is correctly fired again only once.
+
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_exclusive.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_exclusive.pkt
index fadc480fdb7f..36b6edc4858c 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_exclusive.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_exclusive.pkt
@@ -8,6 +8,9 @@
// fire two sends with MSG_ZEROCOPY and receive the acks. confirm that EPOLLERR
// is correctly fired only once, when EPOLLET is set. send another packet with
// MSG_ZEROCOPY. confirm that EPOLLERR is correctly fired again only once.
+
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_oneshot.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_oneshot.pkt
index 5bfa0d1d2f4a..1bea6f3b4558 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_oneshot.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_epoll_oneshot.pkt
@@ -8,6 +8,9 @@
// is correctly fired only once, when EPOLLONESHOT is set. send another packet
// with MSG_ZEROCOPY. confirm that EPOLLERR is not fired. Rearm the FD and
// confirm that EPOLLERR is correctly set.
+
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_fastopen-client.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_fastopen-client.pkt
index 4a73bbf46961..e27c21ff5d18 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_fastopen-client.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_fastopen-client.pkt
@@ -8,6 +8,8 @@
// one will have no data in the initial send. On return 0 the
// zerocopy notification counter is not incremented. Verify this too.
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
// Send a FastOpen request, no cookie yet so no data in SYN
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_fastopen-server.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_fastopen-server.pkt
index 36086c5877ce..b1fa77c77dfa 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_fastopen-server.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_fastopen-server.pkt
@@ -4,6 +4,8 @@
// send data with MSG_FASTOPEN | MSG_ZEROCOPY and verify that the
// kernel returns the notification ID.
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh
./set_sysctls.py /proc/sys/net/ipv4/tcp_fastopen=0x207`
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_maxfrags.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_maxfrags.pkt
index 672f817faca0..2f5317d0a9fa 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_maxfrags.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_maxfrags.pkt
@@ -7,6 +7,8 @@
// because each iovec element becomes a frag
// 3) the PSH bit is set on an skb when it runs out of fragments
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
diff --git a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_small.pkt b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_small.pkt
index a9a1ac0aea4f..9d5272c6b207 100644
--- a/tools/testing/selftests/net/packetdrill/tcp_zerocopy_small.pkt
+++ b/tools/testing/selftests/net/packetdrill/tcp_zerocopy_small.pkt
@@ -4,6 +4,8 @@
// verify that SO_EE_CODE_ZEROCOPY_COPIED is set on zerocopy
// packets of all sizes, including the smallest payload, 1B.
+--send_omit_free // do not reuse send buffers with zerocopy
+
`./defaults.sh`
0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
diff --git a/tools/testing/selftests/net/so_txtime.c b/tools/testing/selftests/net/so_txtime.c
index 8457b7ccbc09..b76df1efc2ef 100644
--- a/tools/testing/selftests/net/so_txtime.c
+++ b/tools/testing/selftests/net/so_txtime.c
@@ -174,7 +174,7 @@ static int do_recv_errqueue_timeout(int fdt)
msg.msg_controllen = sizeof(control);
while (1) {
- const char *reason;
+ const char *reason = NULL;
ret = recvmsg(fdt, &msg, MSG_ERRQUEUE);
if (ret == -1 && errno == EAGAIN)
diff --git a/tools/testing/selftests/net/txtimestamp.c b/tools/testing/selftests/net/txtimestamp.c
index dae91eb97d69..bcc14688661d 100644
--- a/tools/testing/selftests/net/txtimestamp.c
+++ b/tools/testing/selftests/net/txtimestamp.c
@@ -217,7 +217,7 @@ static void print_timestamp_usr(void)
static void print_timestamp(struct scm_timestamping *tss, int tstype,
int tskey, int payload_len)
{
- const char *tsname;
+ const char *tsname = NULL;
validate_key(tskey, tstype);