diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2024-03-07 10:19:05 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-07 10:29:36 -0800 |
| commit | e3afe5dd3abea43e056a004df02fb49f24cc5ad7 (patch) | |
| tree | a8f38510fe1aeee32a54112fdee27e1948cde35e /drivers/net/geneve.c | |
| parent | a148f82c457f957cdc9445101882c225aa8c3ff0 (diff) | |
| parent | df4793505abd5df399bc6d9a4d8fe81761f557cd (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
No conflicts.
Adjacent changes:
net/core/page_pool_user.c
0b11b1c5c320 ("netdev: let netlink core handle -EMSGSIZE errors")
429679dcf7d9 ("page_pool: fix netlink dump stop/resume")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/geneve.c')
| -rw-r--r-- | drivers/net/geneve.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index ff0d7bdaa4ee..2f6739fe78af 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -221,7 +221,7 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs, struct genevehdr *gnvh = geneve_hdr(skb); struct metadata_dst *tun_dst = NULL; unsigned int len; - int err = 0; + int nh, err = 0; void *oiph; if (ip_tunnel_collect_metadata() || gs->collect_md) { @@ -272,9 +272,23 @@ static void geneve_rx(struct geneve_dev *geneve, struct geneve_sock *gs, skb->pkt_type = PACKET_HOST; } - oiph = skb_network_header(skb); + /* Save offset of outer header relative to skb->head, + * because we are going to reset the network header to the inner header + * and might change skb->head. + */ + nh = skb_network_header(skb) - skb->head; + skb_reset_network_header(skb); + if (!pskb_inet_may_pull(skb)) { + DEV_STATS_INC(geneve->dev, rx_length_errors); + DEV_STATS_INC(geneve->dev, rx_errors); + goto drop; + } + + /* Get the outer header. */ + oiph = skb->head + nh; + if (geneve_get_sk_family(gs) == AF_INET) err = IP_ECN_decapsulate(oiph, skb); #if IS_ENABLED(CONFIG_IPV6) |