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authorLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 12:34:53 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-09-18 12:34:53 -0700
commit81160dda9a7aad13c04e78bb2cfd3c4630e3afab (patch)
tree4bf79ffa9fc7dc5e2915ff978778c3402c491113 /drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
parent8b53c76533aa4356602aea98f98a2f3b4051464c (diff)
parent1bab8d4c488be22d57f9dd09968c90a0ddc413bf (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller: 1) Support IPV6 RA Captive Portal Identifier, from Maciej Żenczykowski. 2) Use bio_vec in the networking instead of custom skb_frag_t, from Matthew Wilcox. 3) Make use of xmit_more in r8169 driver, from Heiner Kallweit. 4) Add devmap_hash to xdp, from Toke Høiland-Jørgensen. 5) Support all variants of 5750X bnxt_en chips, from Michael Chan. 6) More RTNL avoidance work in the core and mlx5 driver, from Vlad Buslov. 7) Add TCP syn cookies bpf helper, from Petar Penkov. 8) Add 'nettest' to selftests and use it, from David Ahern. 9) Add extack support to drop_monitor, add packet alert mode and support for HW drops, from Ido Schimmel. 10) Add VLAN offload to stmmac, from Jose Abreu. 11) Lots of devm_platform_ioremap_resource() conversions, from YueHaibing. 12) Add IONIC driver, from Shannon Nelson. 13) Several kTLS cleanups, from Jakub Kicinski. * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1930 commits) mlxsw: spectrum_buffers: Add the ability to query the CPU port's shared buffer mlxsw: spectrum: Register CPU port with devlink mlxsw: spectrum_buffers: Prevent changing CPU port's configuration net: ena: fix incorrect update of intr_delay_resolution net: ena: fix retrieval of nonadaptive interrupt moderation intervals net: ena: fix update of interrupt moderation register net: ena: remove all old adaptive rx interrupt moderation code from ena_com net: ena: remove ena_restore_ethtool_params() and relevant fields net: ena: remove old adaptive interrupt moderation code from ena_netdev net: ena: remove code duplication in ena_com_update_nonadaptive_moderation_interval _*() net: ena: enable the interrupt_moderation in driver_supported_features net: ena: reimplement set/get_coalesce() net: ena: switch to dim algorithm for rx adaptive interrupt moderation net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it net: phy: adin: implement Energy Detect Powerdown mode via phy-tunable ethtool: implement Energy Detect Powerdown support via phy-tunable xen-netfront: do not assume sk_buff_head list is empty in error handling s390/ctcm: Delete unnecessary checks before the macro call “dev_kfree_skb” net: ena: don't wake up tx queue when down drop_monitor: Better sanitize notified packets ...
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c51
1 files changed, 43 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
index 888ba4300bcc..b9eeae37a4dc 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_buffers.c
@@ -250,6 +250,10 @@ static int mlxsw_sp_sb_pm_occ_clear(struct mlxsw_sp *mlxsw_sp, u8 local_port,
&mlxsw_sp->sb_vals->pool_dess[pool_index];
char sbpm_pl[MLXSW_REG_SBPM_LEN];
+ if (local_port == MLXSW_PORT_CPU_PORT &&
+ des->dir == MLXSW_REG_SBXX_DIR_INGRESS)
+ return 0;
+
mlxsw_reg_sbpm_pack(sbpm_pl, local_port, des->pool, des->dir,
true, 0, 0);
return mlxsw_reg_trans_query(mlxsw_sp->core, MLXSW_REG(sbpm), sbpm_pl,
@@ -273,6 +277,10 @@ static int mlxsw_sp_sb_pm_occ_query(struct mlxsw_sp *mlxsw_sp, u8 local_port,
char sbpm_pl[MLXSW_REG_SBPM_LEN];
struct mlxsw_sp_sb_pm *pm;
+ if (local_port == MLXSW_PORT_CPU_PORT &&
+ des->dir == MLXSW_REG_SBXX_DIR_INGRESS)
+ return 0;
+
pm = mlxsw_sp_sb_pm_get(mlxsw_sp, local_port, pool_index);
mlxsw_reg_sbpm_pack(sbpm_pl, local_port, des->pool, des->dir,
false, 0, 0);
@@ -1085,6 +1093,11 @@ int mlxsw_sp_sb_port_pool_set(struct mlxsw_core_port *mlxsw_core_port,
u32 max_buff;
int err;
+ if (local_port == MLXSW_PORT_CPU_PORT) {
+ NL_SET_ERR_MSG_MOD(extack, "Changing CPU port's threshold is forbidden");
+ return -EINVAL;
+ }
+
err = mlxsw_sp_sb_threshold_in(mlxsw_sp, pool_index,
threshold, &max_buff, extack);
if (err)
@@ -1130,6 +1143,11 @@ int mlxsw_sp_sb_tc_pool_bind_set(struct mlxsw_core_port *mlxsw_core_port,
u32 max_buff;
int err;
+ if (local_port == MLXSW_PORT_CPU_PORT) {
+ NL_SET_ERR_MSG_MOD(extack, "Changing CPU port's binding is forbidden");
+ return -EINVAL;
+ }
+
if (dir != mlxsw_sp->sb_vals->pool_dess[pool_index].dir) {
NL_SET_ERR_MSG_MOD(extack, "Binding egress TC to ingress pool and vice versa is forbidden");
return -EINVAL;
@@ -1187,6 +1205,11 @@ static void mlxsw_sp_sb_sr_occ_query_cb(struct mlxsw_core *mlxsw_core,
local_port < mlxsw_core_max_ports(mlxsw_core); local_port++) {
if (!mlxsw_sp->ports[local_port])
continue;
+ if (local_port == MLXSW_PORT_CPU_PORT) {
+ /* Ingress quotas are not supported for the CPU port */
+ masked_count++;
+ continue;
+ }
for (i = 0; i < MLXSW_SP_SB_ING_TC_COUNT; i++) {
cm = mlxsw_sp_sb_cm_get(mlxsw_sp, local_port, i,
MLXSW_REG_SBXX_DIR_INGRESS);
@@ -1222,7 +1245,7 @@ int mlxsw_sp_sb_occ_snapshot(struct mlxsw_core *mlxsw_core,
char *sbsr_pl;
u8 masked_count;
u8 local_port_1;
- u8 local_port = 0;
+ u8 local_port;
int i;
int err;
int err2;
@@ -1231,8 +1254,8 @@ int mlxsw_sp_sb_occ_snapshot(struct mlxsw_core *mlxsw_core,
if (!sbsr_pl)
return -ENOMEM;
+ local_port = MLXSW_PORT_CPU_PORT;
next_batch:
- local_port++;
local_port_1 = local_port;
masked_count = 0;
mlxsw_reg_sbsr_pack(sbsr_pl, false);
@@ -1243,7 +1266,11 @@ next_batch:
for (; local_port < mlxsw_core_max_ports(mlxsw_core); local_port++) {
if (!mlxsw_sp->ports[local_port])
continue;
- mlxsw_reg_sbsr_ingress_port_mask_set(sbsr_pl, local_port, 1);
+ if (local_port != MLXSW_PORT_CPU_PORT) {
+ /* Ingress quotas are not supported for the CPU port */
+ mlxsw_reg_sbsr_ingress_port_mask_set(sbsr_pl,
+ local_port, 1);
+ }
mlxsw_reg_sbsr_egress_port_mask_set(sbsr_pl, local_port, 1);
for (i = 0; i < mlxsw_sp->sb_vals->pool_count; i++) {
err = mlxsw_sp_sb_pm_occ_query(mlxsw_sp, local_port, i,
@@ -1264,8 +1291,10 @@ do_query:
cb_priv);
if (err)
goto out;
- if (local_port < mlxsw_core_max_ports(mlxsw_core))
+ if (local_port < mlxsw_core_max_ports(mlxsw_core)) {
+ local_port++;
goto next_batch;
+ }
out:
err2 = mlxsw_reg_trans_bulk_wait(&bulk_list);
@@ -1282,7 +1311,7 @@ int mlxsw_sp_sb_occ_max_clear(struct mlxsw_core *mlxsw_core,
LIST_HEAD(bulk_list);
char *sbsr_pl;
unsigned int masked_count;
- u8 local_port = 0;
+ u8 local_port;
int i;
int err;
int err2;
@@ -1291,8 +1320,8 @@ int mlxsw_sp_sb_occ_max_clear(struct mlxsw_core *mlxsw_core,
if (!sbsr_pl)
return -ENOMEM;
+ local_port = MLXSW_PORT_CPU_PORT;
next_batch:
- local_port++;
masked_count = 0;
mlxsw_reg_sbsr_pack(sbsr_pl, true);
for (i = 0; i < MLXSW_SP_SB_ING_TC_COUNT; i++)
@@ -1302,7 +1331,11 @@ next_batch:
for (; local_port < mlxsw_core_max_ports(mlxsw_core); local_port++) {
if (!mlxsw_sp->ports[local_port])
continue;
- mlxsw_reg_sbsr_ingress_port_mask_set(sbsr_pl, local_port, 1);
+ if (local_port != MLXSW_PORT_CPU_PORT) {
+ /* Ingress quotas are not supported for the CPU port */
+ mlxsw_reg_sbsr_ingress_port_mask_set(sbsr_pl,
+ local_port, 1);
+ }
mlxsw_reg_sbsr_egress_port_mask_set(sbsr_pl, local_port, 1);
for (i = 0; i < mlxsw_sp->sb_vals->pool_count; i++) {
err = mlxsw_sp_sb_pm_occ_clear(mlxsw_sp, local_port, i,
@@ -1319,8 +1352,10 @@ do_query:
&bulk_list, NULL, 0);
if (err)
goto out;
- if (local_port < mlxsw_core_max_ports(mlxsw_core))
+ if (local_port < mlxsw_core_max_ports(mlxsw_core)) {
+ local_port++;
goto next_batch;
+ }
out:
err2 = mlxsw_reg_trans_bulk_wait(&bulk_list);