[PATCH net-next 06/16] bnxt_en: Do not accept fragments for aRFS flow steering.
flat view
STALE2452d
SUPERSEDED
From: Michael Chan <michael.chan@broadcom.com>
Date: 2020-01-26 09:03:40
Subsystem:
broadcom bnxt_en 50 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Michael Chan, Pavan Chebbi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v1 of 25 in this series.
Revisions (25)
In bnxt_rx_flow_steer(), if the dissected packet is a fragment, do not proceed to create the ntuple filter and return error instead. Otherwise we would create a filter with 0 source and destination ports because the dissected ports would not be available for fragments. Signed-off-by: Michael Chan <michael.chan@broadcom.com> --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index fb4a65f..fb67e66 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c@@ -11100,6 +11100,7 @@ static int bnxt_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, struct ethhdr *eth = (struct ethhdr *)skb_mac_header(skb); int rc = 0, idx, bit_id, l2_idx = 0; struct hlist_head *head; + u32 flags; if (!ether_addr_equal(dev->dev_addr, eth->h_dest)) { struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
@@ -11139,8 +11140,9 @@ static int bnxt_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, rc = -EPROTONOSUPPORT; goto err_free; } - if ((fkeys->control.flags & FLOW_DIS_ENCAPSULATION) && - bp->hwrm_spec_code < 0x10601) { + flags = fkeys->control.flags; + if (((flags & FLOW_DIS_ENCAPSULATION) && + bp->hwrm_spec_code < 0x10601) || (flags & FLOW_DIS_IS_FRAGMENT)) { rc = -EPROTONOSUPPORT; goto err_free; }
--
2.5.1