bnxt_en: Reserve RSS and L2 contexts for VF.

For completeness and correctness, the VF driver needs to reserve these
RSS and L2 contexts.

Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnxt/bnxt.c

@@ -4713,6 +4713,10 @@ bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
 
 	__bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
 				     cp_rings, vnics);
+	req.enables |= cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS |
+				   FUNC_VF_CFG_REQ_ENABLES_NUM_L2_CTXS);
+	req.num_rsscos_ctxs = cpu_to_le16(BNXT_VF_MAX_RSS_CTX);
+	req.num_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX);
 	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
 	if (rc)
 		return -ENOMEM;

drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.c

@@ -462,13 +462,13 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs)
 	vf_vnics = hw_resc->max_vnics - bp->nr_vnics;
 	vf_vnics = min_t(u16, vf_vnics, vf_rx_rings);
 
-	req.min_rsscos_ctx = cpu_to_le16(1);
-	req.max_rsscos_ctx = cpu_to_le16(1);
+	req.min_rsscos_ctx = cpu_to_le16(BNXT_VF_MIN_RSS_CTX);
+	req.max_rsscos_ctx = cpu_to_le16(BNXT_VF_MAX_RSS_CTX);
 	if (pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL) {
 		req.min_cmpl_rings = cpu_to_le16(1);
 		req.min_tx_rings = cpu_to_le16(1);
 		req.min_rx_rings = cpu_to_le16(1);
-		req.min_l2_ctxs = cpu_to_le16(1);
+		req.min_l2_ctxs = cpu_to_le16(BNXT_VF_MIN_L2_CTX);
 		req.min_vnics = cpu_to_le16(1);
 		req.min_stat_ctx = cpu_to_le16(1);
 		req.min_hw_ring_grps = cpu_to_le16(1);
@@ -483,15 +483,15 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs)
 		req.min_cmpl_rings = cpu_to_le16(vf_cp_rings);
 		req.min_tx_rings = cpu_to_le16(vf_tx_rings);
 		req.min_rx_rings = cpu_to_le16(vf_rx_rings);
-		req.min_l2_ctxs = cpu_to_le16(4);
+		req.min_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX);
 		req.min_vnics = cpu_to_le16(vf_vnics);
 		req.min_stat_ctx = cpu_to_le16(vf_stat_ctx);
 		req.min_hw_ring_grps = cpu_to_le16(vf_ring_grps);
 	}
 	req.max_cmpl_rings = cpu_to_le16(vf_cp_rings);
 	req.max_tx_rings = cpu_to_le16(vf_tx_rings);
 	req.max_rx_rings = cpu_to_le16(vf_rx_rings);
-	req.max_l2_ctxs = cpu_to_le16(4);
+	req.max_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX);
 	req.max_vnics = cpu_to_le16(vf_vnics);
 	req.max_stat_ctx = cpu_to_le16(vf_stat_ctx);
 	req.max_hw_ring_grps = cpu_to_le16(vf_ring_grps);

drivers/net/ethernet/broadcom/bnxt/bnxt_sriov.h

@@ -23,6 +23,11 @@
 	((offsetof(struct hwrm_reject_fwd_resp_input, encap_request) + n) >\
 	 offsetof(struct hwrm_reject_fwd_resp_input, encap_resp_target_id))
 
+#define BNXT_VF_MIN_RSS_CTX	1
+#define BNXT_VF_MAX_RSS_CTX	1
+#define BNXT_VF_MIN_L2_CTX	1
+#define BNXT_VF_MAX_L2_CTX	4
+
 int bnxt_get_vf_config(struct net_device *, int, struct ifla_vf_info *);
 int bnxt_set_vf_mac(struct net_device *, int, u8 *);
 int bnxt_set_vf_vlan(struct net_device *, int, u16, u8, __be16);