[08/15] net/bnxt: save the number of EM flow count
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Commit Message
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: 6d8109bcb398 ("net/bnxt: check VF resources if resource manager is enabled")
Signed-off-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
Reviewed-by: Kalesh Anakkur Purayil <kalesh-anakkur.purayil@broadcom.com>
---
drivers/net/bnxt/bnxt.h | 1 +
drivers/net/bnxt/bnxt_hwrm.c | 11 +++++++++--
2 files changed, 10 insertions(+), 2 deletions(-)
@@ -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;
@@ -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);
}