Messages in this thread Patch in this message | | | From | Alex Elder <> | Subject | [PATCH net-next 1/8] net: qualcomm: rmnet: use ip_is_fragment() | Date | Fri, 11 Jun 2021 14:05:22 -0500 |
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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> --- drivers/net/ethernet/qualcomm/rmnet/rmnet_map_data.c | 5 +++-- 1 file 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 cecf72be51029..34bd1a98a1015 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; } -- 2.27.0
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