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| author | David S. Miller <davem@davemloft.net> | 2017-02-11 02:31:11 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-02-11 02:31:11 -0500 |
| commit | 35eeacf1820a08305c2b0960febfa190f5a6dd63 (patch) | |
| tree | f1227c7384ee01d3f029cc5f82223234e6456c5f /include/linux/netdevice.h | |
| parent | bed45f79a2afc9d7c279b880dfcac8f27d513b50 (diff) | |
| parent | 1ee18329fae936089c6c599250ae92482ff2b81f (diff) | |
| download | op-kernel-dev-35eeacf1820a08305c2b0960febfa190f5a6dd63.zip op-kernel-dev-35eeacf1820a08305c2b0960febfa190f5a6dd63.tar.gz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 58afbd1..54c82b5 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1508,6 +1508,7 @@ enum netdev_priv_flags { * @max_mtu: Interface Maximum MTU value * @type: Interface hardware type * @hard_header_len: Maximum hardware header length. + * @min_header_len: Minimum hardware header length * * @needed_headroom: Extra headroom the hardware may need, but not in all * cases can this be guaranteed @@ -1724,6 +1725,7 @@ struct net_device { unsigned int max_mtu; unsigned short type; unsigned short hard_header_len; + unsigned short min_header_len; unsigned short needed_headroom; unsigned short needed_tailroom; @@ -2688,6 +2690,8 @@ static inline bool dev_validate_header(const struct net_device *dev, { if (likely(len >= dev->hard_header_len)) return true; + if (len < dev->min_header_len) + return false; if (capable(CAP_SYS_RAWIO)) { memset(ll_header + len, 0, dev->hard_header_len - len); |
