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authorMichael Chan <michael.chan@broadcom.com>2020-01-27 04:56:17 -0500
committerDavid S. Miller <davem@davemloft.net>2020-01-27 11:33:28 +0100
commitf47d0e19ae99329177423db80f86a601f8cd8e3e (patch)
tree1d47bb9c6ec142ce174fa4d67e21361e27f111c3 /drivers/net/ethernet/broadcom/bnxt/bnxt.c
parentbnxt_en: Support UDP RSS hashing on 575XX chips. (diff)
downloadlinux-dev-f47d0e19ae99329177423db80f86a601f8cd8e3e.tar.xz
linux-dev-f47d0e19ae99329177423db80f86a601f8cd8e3e.zip
bnxt_en: Do not accept fragments for aRFS flow steering.
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> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index fb4a65fe575d..fb67e6656206 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;
}