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| author |   Alex Elder <elder@linaro.org> | 2021-06-11 14:05:22 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-06-11 13:37:49 -0700 |
| commit | e4517d8a7f07b18f4f0e68940e2822a1b92b471f (patch) | |
| tree | 8d2a66b2fed094d2f0bc31123afdd7479543863c /drivers/net/ethernet/qualcomm/rmnet | |
| parent | Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue (diff) | |
| download | linux-dev-e4517d8a7f07b18f4f0e68940e2822a1b92b471f.tar.xz linux-dev-e4517d8a7f07b18f4f0e68940e2822a1b92b471f.zip | |
net: qualcomm: rmnet: use ip_is_fragment()
In rmnet_map_ipv4_dl_csum_trailer() use ip_is_fragment() to
determine whether a socket buffer contains a packet fragment.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qualcomm/rmnet')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c index cecf72be5102..34bd1a98a101 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c @@ -50,8 +50,9 @@ rmnet_map_ipv4_dl_csum_trailer(struct sk_buff *skb, __be16 addend; ip4h = (struct iphdr *)(skb->data); - if ((ntohs(ip4h->frag_off) & IP_MF) || - ((ntohs(ip4h->frag_off) & IP_OFFSET) > 0)) { + + /* We don't support checksum offload on IPv4 fragments */ + if (ip_is_fragment(ip4h)) { priv->stats.csum_fragmented_pkt++; return -EOPNOTSUPP; } |