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| author | Michael Brown | 2014-03-04 14:10:07 +0100 |
|---|---|---|
| committer | Michael Brown | 2014-03-04 14:13:54 +0100 |
| commit | 6414b5ca036ade7545eb0c309c66731fced6e055 (patch) | |
| tree | dd73109b6fbbff5e176b87c30df744665595cafb /src/net/ipv4.c | |
| parent | [tcpip] Provide tcpip_netdev() to determine the transmitting network device (diff) | |
| download | ipxe-6414b5ca036ade7545eb0c309c66731fced6e055.tar.gz ipxe-6414b5ca036ade7545eb0c309c66731fced6e055.tar.xz ipxe-6414b5ca036ade7545eb0c309c66731fced6e055.zip | |
[tcpip] Provide tcpip_mtu() to determine the maximum transmission unit
Provide the function tcpip_mtu() to allow external code to determine
the (transport-layer) maximum transmission unit for a given socket
address.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/net/ipv4.c')
| -rw-r--r-- | src/net/ipv4.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/net/ipv4.c b/src/net/ipv4.c index 8bda5c86..c5cfd134 100644 --- a/src/net/ipv4.c +++ b/src/net/ipv4.c @@ -621,6 +621,7 @@ struct net_protocol ipv4_protocol __net_protocol = { struct tcpip_net_protocol ipv4_tcpip_protocol __tcpip_net_protocol = { .name = "IPv4", .sa_family = AF_INET, + .header_len = sizeof ( struct iphdr ), .tx = ipv4_tx, .netdev = ipv4_netdev, }; |