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net/bnxt: save the number of EM flow count

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Save the number of EM flow count returned by the FW in HWRM_FUNC_QCFG
and use it to calculate the overall pool of L2 contexts supported by FW.

Fixes: 6d8109bcb3 ("net/bnxt: check VF resources if resource manager is enabled")
Cc: stable@dpdk.org

Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
This commit is contained in:
Ajit Khaparde 2019-07-17 16:11:32 +05:30 committed by Ferruh Yigit
parent fe78485215
commit ff9c0ca47e
2 changed files with 10 additions and 2 deletions
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1
drivers/net/bnxt/bnxt.h
View File

@ -429,6 +429,7 @@ struct bnxt {
uint16_t max_rx_rings;
uint16_t max_nq_rings;
uint16_t max_l2_ctx;
uint16_t max_rx_em_flows;
uint16_t max_vnics;
uint16_t max_stat_ctx;
uint16_t first_vf_id;

11
drivers/net/bnxt/bnxt_hwrm.c
View File

@ -589,8 +589,10 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
bp->max_cp_rings = rte_le_to_cpu_16(resp->max_cmpl_rings);
bp->max_tx_rings = rte_le_to_cpu_16(resp->max_tx_rings);
bp->max_rx_rings = rte_le_to_cpu_16(resp->max_rx_rings);
bp->max_l2_ctx = rte_le_to_cpu_16(resp->max_l2_ctxs);
bp->first_vf_id = rte_le_to_cpu_16(resp->first_vf_id);
bp->max_rx_em_flows = rte_le_to_cpu_16(resp->max_rx_em_flows);
bp->max_l2_ctx =
rte_le_to_cpu_16(resp->max_l2_ctxs) + bp->max_rx_em_flows;
/* TODO: For now, do not support VMDq/RFS on VFs. */
if (BNXT_PF(bp)) {
if (bp->pf.max_vfs)
@ -796,7 +798,12 @@ int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp)
bp->max_tx_rings = rte_le_to_cpu_16(resp->max_tx_rings);
bp->max_rx_rings = rte_le_to_cpu_16(resp->max_rx_rings);
bp->max_ring_grps = rte_le_to_cpu_32(resp->max_hw_ring_grps);
bp->max_l2_ctx = rte_le_to_cpu_16(resp->max_l2_ctxs);
/* func_resource_qcaps does not return max_rx_em_flows.
* So use the value provided by func_qcaps.
*/
bp->max_l2_ctx =
rte_le_to_cpu_16(resp->max_l2_ctxs) +
bp->max_rx_em_flows;
bp->max_vnics = rte_le_to_cpu_16(resp->max_vnics);
bp->max_stat_ctx = rte_le_to_cpu_16(resp->max_stat_ctx);
}