3 files changed, 65 insertions, 1 deletions

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++;
         }