cxgb4: implement the ETHTOOL_GRXFH command
Signed-off-by: Dimitris Michailidis <dm@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/cxgb4/cxgb4.h b/drivers/net/cxgb4/cxgb4.h
index a614eb5..4769c1c 100644
--- a/drivers/net/cxgb4/cxgb4.h
+++ b/drivers/net/cxgb4/cxgb4.h
@@ -294,6 +294,7 @@
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 61d4313..110843c 100644
--- a/drivers/net/cxgb4/cxgb4_main.c
+++ b/drivers/net/cxgb4/cxgb4_main.c
@@ -1851,9 +1851,61 @@
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 3e63d14..ab46797 100644
--- a/drivers/net/cxgb4/t4_hw.c
+++ b/drivers/net/cxgb4/t4_hw.c
@@ -3133,8 +3133,10 @@
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 @@
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++;
}