summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2025-01-18 18:05:16 -0800
committerJakub Kicinski <kuba@kernel.org>2025-01-20 11:44:58 -0800
commitbee018052d1bbfa6d33ca016a42e8e2534429492 (patch)
treefecad276e36ab01d4693cd8b34166f6359f424bc
parent928459bbda19eb47e09d9bd4386ac46fad088958 (diff)
eth: bnxt: allocate enough buffer space to meet HDS threshold
Now that we can configure HDS threshold separately from the rx_copybreak HDS threshold may be higher than rx_copybreak. We need to make sure that we have enough space for the headers. Fixes: 6b43673a25c3 ("bnxt_en: add support for hds-thresh ethtool command") Reviewed-by: Michael Chan <michael.chan@broadcom.com> Link: https://patch.msgid.link/20250119020518.1962249-7-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 2eeed4c11b64..19e723493c4e 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -4671,9 +4671,10 @@ void bnxt_set_ring_params(struct bnxt *bp)
ALIGN(max(NET_SKB_PAD, XDP_PACKET_HEADROOM), 8) -
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
} else {
- rx_size = SKB_DATA_ALIGN(max(BNXT_DEFAULT_RX_COPYBREAK,
- bp->rx_copybreak) +
- NET_IP_ALIGN);
+ rx_size = max3(BNXT_DEFAULT_RX_COPYBREAK,
+ bp->rx_copybreak,
+ bp->dev->cfg_pending->hds_thresh);
+ rx_size = SKB_DATA_ALIGN(rx_size + NET_IP_ALIGN);
rx_space = rx_size + NET_SKB_PAD +
SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
}