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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>
This commit is contained in:
Michael Chan 2020-01-27 04:56:17 -05:00 committed by David S. Miller
parent c66c06c5e2
commit f47d0e19ae
1 changed files with 4 additions and 2 deletions
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6
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -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;
}