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| author | Jakub Kicinski <[email protected]> | 2021-08-13 13:41:22 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2021-08-13 13:41:22 +0000 |
| commit | f4083a752a3b7dc2076432129c8469d02c25318e (patch) | |
| tree | 6518d6c858a630508466906e30683d60bbef9748 /drivers/net/bareudp.c | |
| parent | dt-bindings: net: qcom,ipa: make imem interconnect optional (diff) | |
| parent | Merge tag 'net-5.14-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/net... (diff) | |
| download | kernel-f4083a752a3b7dc2076432129c8469d02c25318e.tar.gz kernel-f4083a752a3b7dc2076432129c8469d02c25318e.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts:
drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h
9e26680733d5 ("bnxt_en: Update firmware call to retrieve TX PTP timestamp")
9e518f25802c ("bnxt_en: 1PPS functions to configure TSIO pins")
099fdeda659d ("bnxt_en: Event handler for PPS events")
kernel/bpf/helpers.c
include/linux/bpf-cgroup.h
a2baf4e8bb0f ("bpf: Fix potentially incorrect results with bpf_get_local_storage()")
c7603cfa04e7 ("bpf: Add ambient BPF runtime context stored in current")
drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c
5957cc557dc5 ("net/mlx5: Set all field of mlx5_irq before inserting it to the xarray")
2d0b41a37679 ("net/mlx5: Refcount mlx5_irq with integer")
MAINTAINERS
7b637cd52f02 ("MAINTAINERS: fix Microchip CAN BUS Analyzer Tool entry typo")
7d901a1e878a ("net: phy: add Maxlinear GPY115/21x/24x driver")
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'drivers/net/bareudp.c')
| -rw-r--r-- | drivers/net/bareudp.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c index a7ee0af1af90..54e321a695ce 100644 --- a/drivers/net/bareudp.c +++ b/drivers/net/bareudp.c @@ -71,12 +71,18 @@ static int bareudp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) family = AF_INET6; if (bareudp->ethertype == htons(ETH_P_IP)) { - struct iphdr *iphdr; + __u8 ipversion; - iphdr = (struct iphdr *)(skb->data + BAREUDP_BASE_HLEN); - if (iphdr->version == 4) { - proto = bareudp->ethertype; - } else if (bareudp->multi_proto_mode && (iphdr->version == 6)) { + if (skb_copy_bits(skb, BAREUDP_BASE_HLEN, &ipversion, + sizeof(ipversion))) { + bareudp->dev->stats.rx_dropped++; + goto drop; + } + ipversion >>= 4; + + if (ipversion == 4) { + proto = htons(ETH_P_IP); + } else if (ipversion == 6 && bareudp->multi_proto_mode) { proto = htons(ETH_P_IPV6); } else { bareudp->dev->stats.rx_dropped++; |