diff options
| author | David S. Miller <davem@davemloft.net> | 2013-10-19 23:37:06 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-10-19 23:37:06 (GMT) |
| commit | 53481da372851a5506deb5247302f75459b472b4 (patch) | |
| tree | f56596d0aa56f97a2a54cd18749805ae2c4becc8 /include | |
| parent | b917eb155c56bbb766140b406979820e719e3f55 (diff) | |
| parent | 117401ee1df6517203454637fbc3e7e660ce45f6 (diff) | |
| download | linux-fsl-qoriq-53481da372851a5506deb5247302f75459b472b4.tar.xz | |
Merge branch 'ipip_gso'
Eric Dumazet says:
====================
net: Implement GSO/TSO support for IPIP
This patch serie implements GSO/TSO support for IPIP
David, please note it applies after "ipv4: gso: send_check() & segment() cleanups"
( http://patchwork.ozlabs.org/patch/284714/ )
Broadcom bnx2x driver is now enabled for TSO support of IPIP traffic
Before patch :
lpq83:~# ./netperf -H 7.7.9.84 -Cc
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 7.7.9.84 () port 0 AF_INET
Recv Send Send Utilization Service Demand
Socket Socket Message Elapsed Send Recv Send Recv
Size Size Size Time Throughput local remote local remote
bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB
87380 16384 16384 10.00 3357.88 5.09 3.70 2.983 2.167
After patch :
lpq83:~# ./netperf -H 7.7.9.84 -Cc
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 7.7.9.84 () port 0 AF_INET
Recv Send Send Utilization Service Demand
Socket Socket Message Elapsed Send Recv Send Recv
Size Size Size Time Throughput local remote local remote
bytes bytes bytes secs. 10^6bits/s % S % S us/KB us/KB
87380 16384 16384 10.00 8532.40 2.55 7.73 0.588 1.781
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdev_features.h | 2 | ||||
| -rw-r--r-- | include/linux/skbuff.h | 13 | ||||
| -rw-r--r-- | include/net/gre.h | 8 | ||||
| -rw-r--r-- | include/net/ip_tunnels.h | 3 |
4 files changed, 21 insertions, 5 deletions
diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index a2a89a5..8dad68c 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -42,6 +42,7 @@ enum { NETIF_F_TSO6_BIT, /* ... TCPv6 segmentation */ NETIF_F_FSO_BIT, /* ... FCoE segmentation */ NETIF_F_GSO_GRE_BIT, /* ... GRE with TSO */ + NETIF_F_GSO_IPIP_BIT, /* ... IPIP tunnel with TSO */ NETIF_F_GSO_UDP_TUNNEL_BIT, /* ... UDP TUNNEL with TSO */ NETIF_F_GSO_MPLS_BIT, /* ... MPLS segmentation */ /**/NETIF_F_GSO_LAST = /* last bit, see GSO_MASK */ @@ -107,6 +108,7 @@ enum { #define NETIF_F_RXFCS __NETIF_F(RXFCS) #define NETIF_F_RXALL __NETIF_F(RXALL) #define NETIF_F_GSO_GRE __NETIF_F(GSO_GRE) +#define NETIF_F_GSO_IPIP __NETIF_F(GSO_IPIP) #define NETIF_F_GSO_UDP_TUNNEL __NETIF_F(GSO_UDP_TUNNEL) #define NETIF_F_GSO_MPLS __NETIF_F(GSO_MPLS) #define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index ba74474..6072913 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -318,9 +318,11 @@ enum { SKB_GSO_GRE = 1 << 6, - SKB_GSO_UDP_TUNNEL = 1 << 7, + SKB_GSO_IPIP = 1 << 7, - SKB_GSO_MPLS = 1 << 8, + SKB_GSO_UDP_TUNNEL = 1 << 8, + + SKB_GSO_MPLS = 1 << 9, }; #if BITS_PER_LONG > 32 @@ -2722,9 +2724,12 @@ static inline struct sec_path *skb_sec_path(struct sk_buff *skb) /* Keeps track of mac header offset relative to skb->head. * It is useful for TSO of Tunneling protocol. e.g. GRE. * For non-tunnel skb it points to skb_mac_header() and for - * tunnel skb it points to outer mac header. */ + * tunnel skb it points to outer mac header. + * Keeps track of level of encapsulation of network headers. + */ struct skb_gso_cb { - int mac_offset; + int mac_offset; + int encap_level; }; #define SKB_GSO_CB(skb) ((struct skb_gso_cb *)(skb)->cb) diff --git a/include/net/gre.h b/include/net/gre.h index 57e4afd..dcd9ae3 100644 --- a/include/net/gre.h +++ b/include/net/gre.h @@ -38,7 +38,13 @@ void gre_offload_exit(void); void gre_build_header(struct sk_buff *skb, const struct tnl_ptk_info *tpi, int hdr_len); -struct sk_buff *gre_handle_offloads(struct sk_buff *skb, bool gre_csum); + +static inline struct sk_buff *gre_handle_offloads(struct sk_buff *skb, + bool gre_csum) +{ + return iptunnel_handle_offloads(skb, gre_csum, SKB_GSO_GRE); +} + static inline int ip_gre_calc_hlen(__be16 o_flags) { diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index a0a4a10..732f8c6 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -150,6 +150,9 @@ int iptunnel_xmit(struct rtable *rt, struct sk_buff *skb, __be32 src, __be32 dst, __u8 proto, __u8 tos, __u8 ttl, __be16 df, bool xnet); +struct sk_buff *iptunnel_handle_offloads(struct sk_buff *skb, bool gre_csum, + int gso_type_mask); + static inline void iptunnel_xmit_stats(int err, struct net_device_stats *err_stats, struct pcpu_tstats __percpu *stats) |