diff options
| author | Pavan Chebbi <pavan.chebbi@broadcom.com> | 2024-03-26 01:28:58 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-29 08:34:40 +0300 |
| commit | 0895926f725ac6e4d163eb4b964199a5e81fbf40 (patch) | |
| tree | 560ff1ca0a4b1f95669b7f91fa18d2a133cc24b8 /drivers | |
| parent | b09353437b28ff8786e60aa9bd560a4474facfc0 (diff) | |
| download | linux-0895926f725ac6e4d163eb4b964199a5e81fbf40.tar.xz | |
bnxt_en: Add a new_rss_ctx parameter to bnxt_rfs_capable()
Modify bnxt_rfs_capable() to check that there are enough resources
to support aRFS/ntuple filters for a new RSS context requested by
the user. Existing use cases in the driver will always set the
new parameter to false.
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20240325222902.220712-9-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 1 |
2 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index e968684ccb1d..c5f3b97d258d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -7360,7 +7360,7 @@ static int bnxt_get_total_vnics(struct bnxt *bp, int rx_rings) { if (bp->flags & BNXT_FLAG_RFS) { if (BNXT_SUPPORTS_NTUPLE_VNIC(bp)) - return 2; + return 2 + bp->num_rss_ctx; if (!(bp->flags & BNXT_FLAG_CHIP_P5_PLUS)) return rx_rings + 1; } @@ -12474,7 +12474,7 @@ static bool bnxt_rfs_supported(struct bnxt *bp) } /* If runtime conditions support RFS */ -static bool bnxt_rfs_capable(struct bnxt *bp) +bool bnxt_rfs_capable(struct bnxt *bp, bool new_rss_ctx) { struct bnxt_hw_rings hwr = {0}; int max_vnics, max_rss_ctxs; @@ -12488,6 +12488,8 @@ static bool bnxt_rfs_capable(struct bnxt *bp) hwr.grp = bp->rx_nr_rings; hwr.vnic = bnxt_get_total_vnics(bp, bp->rx_nr_rings); + if (new_rss_ctx) + hwr.vnic++; hwr.rss_ctx = bnxt_get_total_rss_ctxs(bp, &hwr); max_vnics = bnxt_get_max_func_vnics(bp); max_rss_ctxs = bnxt_get_max_func_rss_ctxs(bp); @@ -12525,7 +12527,7 @@ static netdev_features_t bnxt_fix_features(struct net_device *dev, struct bnxt *bp = netdev_priv(dev); netdev_features_t vlan_features; - if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp)) + if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp, false)) features &= ~NETIF_F_NTUPLE; if ((bp->flags & BNXT_FLAG_NO_AGG_RINGS) || bp->xdp_prog) @@ -13661,7 +13663,7 @@ static void bnxt_set_dflt_rfs(struct bnxt *bp) bp->flags &= ~BNXT_FLAG_RFS; if (bnxt_rfs_supported(bp)) { dev->hw_features |= NETIF_F_NTUPLE; - if (bnxt_rfs_capable(bp)) { + if (bnxt_rfs_capable(bp, false)) { bp->flags |= BNXT_FLAG_RFS; dev->features |= NETIF_F_NTUPLE; } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 181758f6892a..d5fbb63a0e0c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -2756,6 +2756,7 @@ void bnxt_reenable_sriov(struct bnxt *bp); void bnxt_close_nic(struct bnxt *, bool, bool); void bnxt_get_ring_err_stats(struct bnxt *bp, struct bnxt_total_ring_err_stats *stats); +bool bnxt_rfs_capable(struct bnxt *bp, bool new_rss_ctx); int bnxt_dbg_hwrm_rd_reg(struct bnxt *bp, u32 reg_off, u16 num_words, u32 *reg_buf); void bnxt_fw_exception(struct bnxt *bp); |