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| author | David S. Miller <davem@davemloft.net> | 2017-12-29 15:14:27 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-29 15:42:26 -0500 |
| commit | 6bb8824732f69de0f233ae6b1a8158e149627b38 (patch) | |
| tree | 78642311a28f42df9042da41eb98652c39d51327 /net/ipv6/ip6_gre.c | |
| parent | d367341b25bd5aef3bf5524baa6f73e16ceced85 (diff) | |
| parent | 2758b3e3e630ba304fc4aca434d591e70e528298 (diff) | |
| download | linux-6bb8824732f69de0f233ae6b1a8158e149627b38.tar.bz2 | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
net/ipv6/ip6_gre.c is a case of parallel adds.
include/trace/events/tcp.h is a little bit more tricky. The removal
of in-trace-macro ifdefs in 'net' paralleled with moving
show_tcp_state_name and friends over to include/trace/events/sock.h
in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_gre.c')
| -rw-r--r-- | net/ipv6/ip6_gre.c | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index b345b7e484c5..db99446e0276 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1333,6 +1333,36 @@ static void ip6gre_tunnel_setup(struct net_device *dev) eth_random_addr(dev->perm_addr); } +#define GRE6_FEATURES (NETIF_F_SG | \ + NETIF_F_FRAGLIST | \ + NETIF_F_HIGHDMA | \ + NETIF_F_HW_CSUM) + +static void ip6gre_tnl_init_features(struct net_device *dev) +{ + struct ip6_tnl *nt = netdev_priv(dev); + + dev->features |= GRE6_FEATURES; + dev->hw_features |= GRE6_FEATURES; + + if (!(nt->parms.o_flags & TUNNEL_SEQ)) { + /* TCP offload with GRE SEQ is not supported, nor + * can we support 2 levels of outer headers requiring + * an update. + */ + if (!(nt->parms.o_flags & TUNNEL_CSUM) || + nt->encap.type == TUNNEL_ENCAP_NONE) { + dev->features |= NETIF_F_GSO_SOFTWARE; + dev->hw_features |= NETIF_F_GSO_SOFTWARE; + } + + /* Can use a lockless transmit, unless we generate + * output sequences + */ + dev->features |= NETIF_F_LLTX; + } +} + static int ip6gre_tunnel_init_common(struct net_device *dev) { struct ip6_tnl *tunnel; @@ -1371,6 +1401,7 @@ static int ip6gre_tunnel_init_common(struct net_device *dev) dev->features |= NETIF_F_NETNS_LOCAL; netif_keep_dst(dev); } + ip6gre_tnl_init_features(dev); return 0; } @@ -1705,11 +1736,6 @@ static const struct net_device_ops ip6gre_tap_netdev_ops = { .ndo_get_iflink = ip6_tnl_get_iflink, }; -#define GRE6_FEATURES (NETIF_F_SG | \ - NETIF_F_FRAGLIST | \ - NETIF_F_HIGHDMA | \ - NETIF_F_HW_CSUM) - static int ip6erspan_tap_init(struct net_device *dev) { struct ip6_tnl *tunnel; @@ -1848,26 +1874,6 @@ static int ip6gre_newlink(struct net *src_net, struct net_device *dev, nt->net = dev_net(dev); ip6gre_tnl_link_config(nt, !tb[IFLA_MTU]); - dev->features |= GRE6_FEATURES; - dev->hw_features |= GRE6_FEATURES; - - if (!(nt->parms.o_flags & TUNNEL_SEQ)) { - /* TCP offload with GRE SEQ is not supported, nor - * can we support 2 levels of outer headers requiring - * an update. - */ - if (!(nt->parms.o_flags & TUNNEL_CSUM) || - (nt->encap.type == TUNNEL_ENCAP_NONE)) { - dev->features |= NETIF_F_GSO_SOFTWARE; - dev->hw_features |= NETIF_F_GSO_SOFTWARE; - } - - /* Can use a lockless transmit, unless we generate - * output sequences - */ - dev->features |= NETIF_F_LLTX; - } - err = register_netdevice(dev); if (err) goto out; |