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authorJakub Kicinski <kuba@kernel.org>2024-07-11 21:57:57 +0200
committerJakub Kicinski <kuba@kernel.org>2024-07-11 21:58:13 +0200
commit7c8267275de6989a9b682a07d75e89395457ee01 (patch)
treedb28c44520d9f786a4142871b42eb80f0d205ddd /drivers/net/ethernet/broadcom/bnxt
parentnet: pse-pd: pd692x0: Fix spelling mistake "availables" -> "available" (diff)
parentMerge tag 'net-6.10-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff)
downloadlinux-7c8267275de6989a9b682a07d75e89395457ee01.tar.xz
linux-7c8267275de6989a9b682a07d75e89395457ee01.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Conflicts: net/sched/act_ct.c 26488172b029 ("net/sched: Fix UAF when resolving a clash") 3abbd7ed8b76 ("act_ct: prepare for stolen verdict coming from conntrack and nat engine") No adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c15
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.h1
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c6
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 220d05e2f6fa..80fce0aaad66 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -6282,6 +6282,21 @@ 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 e46bd11e52b0..3c8826875ceb 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -2814,6 +2814,7 @@ 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 bf157f6cc042..4d53ec7adc61 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)) {