From f796564a5fd7be1a4597b66e2a516c18685641df Mon Sep 17 00:00:00 2001 From: Dimitris Michailidis Date: Sun, 11 Jul 2010 12:01:18 +0000 Subject: cxgb4: implement the ETHTOOL_GRXFH command Signed-off-by: Dimitris Michailidis Signed-off-by: David S. Miller --- drivers/net/cxgb4/cxgb4.h | 1 + drivers/net/cxgb4/cxgb4_main.c | 54 +++++++++++++++++++++++++++++++++++++++++- drivers/net/cxgb4/t4_hw.c | 11 +++++++++ 3 files changed, 65 insertions(+), 1 deletion(-) (limited to 'drivers/net/cxgb4') diff --git a/drivers/net/cxgb4/cxgb4.h b/drivers/net/cxgb4/cxgb4.h index a614eb5d85d5..4769c1c58e85 100644 --- a/drivers/net/cxgb4/cxgb4.h +++ b/drivers/net/cxgb4/cxgb4.h @@ -294,6 +294,7 @@ struct port_info { u8 rx_offload; /* CSO, etc */ u8 nqsets; /* # of qsets */ u8 first_qset; /* index of first qset */ + u8 rss_mode; struct link_config link_cfg; u16 *rss; }; diff --git a/drivers/net/cxgb4/cxgb4_main.c b/drivers/net/cxgb4/cxgb4_main.c index 61d43130eff2..110843c5fde2 100644 --- a/drivers/net/cxgb4/cxgb4_main.c +++ b/drivers/net/cxgb4/cxgb4_main.c @@ -1851,9 +1851,61 @@ static int set_rss_table(struct net_device *dev, static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, void *rules) { + const struct port_info *pi = netdev_priv(dev); + switch (info->cmd) { + case ETHTOOL_GRXFH: { + unsigned int v = pi->rss_mode; + + info->data = 0; + switch (info->flow_type) { + case TCP_V4_FLOW: + if (v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) + info->data = RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + case UDP_V4_FLOW: + if ((v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) && + (v & FW_RSS_VI_CONFIG_CMD_UDPEN)) + info->data = RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + case SCTP_V4_FLOW: + case AH_ESP_V4_FLOW: + case IPV4_FLOW: + if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + case TCP_V6_FLOW: + if (v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) + info->data = RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + case UDP_V6_FLOW: + if ((v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) && + (v & FW_RSS_VI_CONFIG_CMD_UDPEN)) + info->data = RXH_IP_SRC | RXH_IP_DST | + RXH_L4_B_0_1 | RXH_L4_B_2_3; + else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + case SCTP_V6_FLOW: + case AH_ESP_V6_FLOW: + case IPV6_FLOW: + if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) + info->data = RXH_IP_SRC | RXH_IP_DST; + break; + } + return 0; + } case ETHTOOL_GRXRINGS: - info->data = netdev2pinfo(dev)->nqsets; + info->data = pi->nqsets; return 0; } return -EOPNOTSUPP; diff --git a/drivers/net/cxgb4/t4_hw.c b/drivers/net/cxgb4/t4_hw.c index 3e63d1487f5f..ab46797623b6 100644 --- a/drivers/net/cxgb4/t4_hw.c +++ b/drivers/net/cxgb4/t4_hw.c @@ -3133,8 +3133,10 @@ int __devinit t4_port_init(struct adapter *adap, int mbox, int pf, int vf) u8 addr[6]; int ret, i, j = 0; struct fw_port_cmd c; + struct fw_rss_vi_config_cmd rvc; memset(&c, 0, sizeof(c)); + memset(&rvc, 0, sizeof(rvc)); for_each_port(adap, i) { unsigned int rss_size; @@ -3171,6 +3173,15 @@ int __devinit t4_port_init(struct adapter *adap, int mbox, int pf, int vf) p->port_type = FW_PORT_CMD_PTYPE_GET(ret); p->mod_type = FW_PORT_MOD_TYPE_NA; + rvc.op_to_viid = htonl(FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) | + FW_CMD_REQUEST | FW_CMD_READ | + FW_RSS_VI_CONFIG_CMD_VIID(p->viid)); + rvc.retval_len16 = htonl(FW_LEN16(rvc)); + ret = t4_wr_mbox(adap, mbox, &rvc, sizeof(rvc), &rvc); + if (ret) + return ret; + p->rss_mode = ntohl(rvc.u.basicvirtual.defaultq_to_udpen); + init_link_config(&p->link_cfg, ntohs(c.u.info.pcap)); j++; } -- cgit v1.2.3