diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 15 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 6 |
3 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 53085058100c..64b61a8d426d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -6146,6 +6146,21 @@ static u16 bnxt_get_max_rss_ring(struct bnxt *bp) return max_ring; } +u16 bnxt_get_max_rss_ctx_ring(struct bnxt *bp) +{ + u16 i, tbl_size, max_ring = 0; + struct bnxt_rss_ctx *rss_ctx; + + tbl_size = bnxt_get_rxfh_indir_size(bp->dev); + + list_for_each_entry(rss_ctx, &bp->rss_ctx_list, list) { + for (i = 0; i < tbl_size; i++) + max_ring = max(max_ring, rss_ctx->rss_indir_tbl[i]); + } + + return max_ring; +} + int bnxt_get_nr_rss_ctxs(struct bnxt *bp, int rx_rings) { if (bp->flags & BNXT_FLAG_CHIP_P5_PLUS) { diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 9cf0acfa04e5..6b10a09ee1af 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -2776,6 +2776,7 @@ int bnxt_hwrm_vnic_set_tpa(struct bnxt *bp, struct bnxt_vnic_info *vnic, void bnxt_fill_ipv6_mask(__be32 mask[4]); int bnxt_alloc_rss_indir_tbl(struct bnxt *bp, struct bnxt_rss_ctx *rss_ctx); void bnxt_set_dflt_rss_indir_tbl(struct bnxt *bp, struct bnxt_rss_ctx *rss_ctx); +u16 bnxt_get_max_rss_ctx_ring(struct bnxt *bp); int bnxt_get_nr_rss_ctxs(struct bnxt *bp, int rx_rings); int bnxt_hwrm_vnic_cfg(struct bnxt *bp, struct bnxt_vnic_info *vnic); int bnxt_hwrm_vnic_alloc(struct bnxt *bp, struct bnxt_vnic_info *vnic, diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 8763f8a01457..79c09c1cdf93 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -961,6 +961,12 @@ static int bnxt_set_channels(struct net_device *dev, return rc; } + if (req_rx_rings < bp->rx_nr_rings && + req_rx_rings <= bnxt_get_max_rss_ctx_ring(bp)) { + netdev_warn(dev, "Can't deactivate rings used by RSS contexts\n"); + return -EINVAL; + } + if (bnxt_get_nr_rss_ctxs(bp, req_rx_rings) != bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) && netif_is_rxfh_configured(dev)) { |