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Commit 86c3380d authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

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: default avatarMichael Chan <michael.chan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2773dfb2

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

+4 −0
Original line number Original line Diff line number Diff line
@@ -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,

	__bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps,

				     cp_rings, vnics);

				     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);

	rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);

	if (rc)

	if (rc)

		return -ENOMEM;

		return -ENOMEM;

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

+5 −5
Original line number Original line Diff line number Diff line
@@ -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 = hw_resc->max_vnics - bp->nr_vnics;

	vf_vnics = min_t(u16, vf_vnics, vf_rx_rings);

	vf_vnics = min_t(u16, vf_vnics, vf_rx_rings);





	req.min_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(1);

	req.max_rsscos_ctx = cpu_to_le16(BNXT_VF_MAX_RSS_CTX);

	if (pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL) {

	if (pf->vf_resv_strategy == BNXT_VF_RESV_STRATEGY_MINIMAL) {

		req.min_cmpl_rings = cpu_to_le16(1);

		req.min_cmpl_rings = cpu_to_le16(1);

		req.min_tx_rings = cpu_to_le16(1);

		req.min_tx_rings = cpu_to_le16(1);

		req.min_rx_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_vnics = cpu_to_le16(1);

		req.min_stat_ctx = cpu_to_le16(1);

		req.min_stat_ctx = cpu_to_le16(1);

		req.min_hw_ring_grps = cpu_to_le16(1);

		req.min_hw_ring_grps = cpu_to_le16(1);
@@ -483,7 +483,7 @@ 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_cmpl_rings = cpu_to_le16(vf_cp_rings);

		req.min_tx_rings = cpu_to_le16(vf_tx_rings);

		req.min_tx_rings = cpu_to_le16(vf_tx_rings);

		req.min_rx_rings = cpu_to_le16(vf_rx_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_vnics = cpu_to_le16(vf_vnics);

		req.min_stat_ctx = cpu_to_le16(vf_stat_ctx);

		req.min_stat_ctx = cpu_to_le16(vf_stat_ctx);

		req.min_hw_ring_grps = cpu_to_le16(vf_ring_grps);

		req.min_hw_ring_grps = cpu_to_le16(vf_ring_grps);
@@ -491,7 +491,7 @@ static int bnxt_hwrm_func_vf_resc_cfg(struct bnxt *bp, int num_vfs) 
	req.max_cmpl_rings = cpu_to_le16(vf_cp_rings);

	req.max_cmpl_rings = cpu_to_le16(vf_cp_rings);

	req.max_tx_rings = cpu_to_le16(vf_tx_rings);

	req.max_tx_rings = cpu_to_le16(vf_tx_rings);

	req.max_rx_rings = cpu_to_le16(vf_rx_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_vnics = cpu_to_le16(vf_vnics);

	req.max_stat_ctx = cpu_to_le16(vf_stat_ctx);

	req.max_stat_ctx = cpu_to_le16(vf_stat_ctx);

	req.max_hw_ring_grps = cpu_to_le16(vf_ring_grps);

	req.max_hw_ring_grps = cpu_to_le16(vf_ring_grps);

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

+5 −0
Original line number Original line Diff line number Diff line
@@ -23,6 +23,11 @@ 
	((offsetof(struct hwrm_reject_fwd_resp_input, encap_request) + n) >\

	((offsetof(struct hwrm_reject_fwd_resp_input, encap_request) + n) >\

	 offsetof(struct hwrm_reject_fwd_resp_input, encap_resp_target_id))

	 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_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_mac(struct net_device *, int, u8 *);

int bnxt_set_vf_vlan(struct net_device *, int, u16, u8, __be16);

int bnxt_set_vf_vlan(struct net_device *, int, u16, u8, __be16);