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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-30 15:40:17 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-30 15:40:17 -0700
commite37a72de84d27ee8bc0e7dbb5c2f1774ed306dbb (patch)
treef9da35cbd79b52a5bd08d4a0f960bde6af741da0 /include/net
parent93fdf10d4c28edaa1b9f80e7f9c3002359186d00 (diff)
parentf83ef8c0b58dac17211a4c0b6df0e2b1bd6637b1 (diff)
downloadop-kernel-dev-e37a72de84d27ee8bc0e7dbb5c2f1774ed306dbb.zip
op-kernel-dev-e37a72de84d27ee8bc0e7dbb5c2f1774ed306dbb.tar.gz
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [IPV6]: Added GSO support for TCPv6 [NET]: Generalise TSO-specific bits from skb_setup_caps [IPV6]: Added GSO support for TCPv6 [IPV6]: Remove redundant length check on input [NETFILTER]: SCTP conntrack: fix crash triggered by packet without chunks [TG3]: Update version and reldate [TG3]: Add TSO workaround using GSO [TG3]: Turn on hw fix for ASF problems [TG3]: Add rx BD workaround [TG3]: Add tg3_netif_stop() in vlan functions [TCP]: Reset gso_segs if packet is dodgy
Diffstat (limited to 'include/net')
-rw-r--r--include/net/ip6_route.h2
-rw-r--r--include/net/protocol.h6
-rw-r--r--include/net/sock.h13
-rw-r--r--include/net/tcp.h2
-rw-r--r--include/net/tcp_ecn.h4
5 files changed, 19 insertions, 8 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index a398ae5..ab29daf 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -146,7 +146,7 @@ static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
struct rt6_info *rt = (struct rt6_info *) dst;
write_lock(&sk->sk_dst_lock);
- __sk_dst_set(sk, dst);
+ sk_setup_caps(sk, dst);
np->daddr_cache = daddr;
np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
write_unlock(&sk->sk_dst_lock);
diff --git a/include/net/protocol.h b/include/net/protocol.h
index 40b6b9c..a225d63 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -50,11 +50,17 @@ struct inet6_protocol
struct inet6_skb_parm *opt,
int type, int code, int offset,
__u32 info);
+
+ struct sk_buff *(*gso_segment)(struct sk_buff *skb,
+ int features);
+
unsigned int flags; /* INET6_PROTO_xxx */
};
#define INET6_PROTO_NOPOLICY 0x1
#define INET6_PROTO_FINAL 0x2
+/* This should be set for any extension header which is compatible with GSO. */
+#define INET6_PROTO_GSO_EXTHDR 0x4
#endif
/* This is used to register socket interfaces for IP protocols. */
diff --git a/include/net/sock.h b/include/net/sock.h
index 7136bae..7b3d6b8 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -140,6 +140,7 @@ struct sock_common {
* @sk_flags: %SO_LINGER (l_onoff), %SO_BROADCAST, %SO_KEEPALIVE, %SO_OOBINLINE settings
* @sk_no_check: %SO_NO_CHECK setting, wether or not checkup packets
* @sk_route_caps: route capabilities (e.g. %NETIF_F_TSO)
+ * @sk_gso_type: GSO type (e.g. %SKB_GSO_TCPV4)
* @sk_lingertime: %SO_LINGER l_linger setting
* @sk_backlog: always used with the per-socket spinlock held
* @sk_callback_lock: used with the callbacks in the end of this struct
@@ -211,6 +212,7 @@ struct sock {
gfp_t sk_allocation;
int sk_sndbuf;
int sk_route_caps;
+ int sk_gso_type;
int sk_rcvlowat;
unsigned long sk_flags;
unsigned long sk_lingertime;
@@ -1025,15 +1027,20 @@ extern struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
extern struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
+static inline int sk_can_gso(const struct sock *sk)
+{
+ return net_gso_ok(sk->sk_route_caps, sk->sk_gso_type);
+}
+
static inline void sk_setup_caps(struct sock *sk, struct dst_entry *dst)
{
__sk_dst_set(sk, dst);
sk->sk_route_caps = dst->dev->features;
if (sk->sk_route_caps & NETIF_F_GSO)
- sk->sk_route_caps |= NETIF_F_TSO;
- if (sk->sk_route_caps & NETIF_F_TSO) {
+ sk->sk_route_caps |= NETIF_F_GSO_MASK;
+ if (sk_can_gso(sk)) {
if (dst->header_len)
- sk->sk_route_caps &= ~NETIF_F_TSO;
+ sk->sk_route_caps &= ~NETIF_F_GSO_MASK;
else
sk->sk_route_caps |= NETIF_F_SG | NETIF_F_HW_CSUM;
}
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 624921e..3cd803b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -751,7 +751,7 @@ static inline int tcp_is_cwnd_limited(const struct sock *sk, u32 in_flight)
if (in_flight >= tp->snd_cwnd)
return 1;
- if (!(sk->sk_route_caps & NETIF_F_TSO))
+ if (!sk_can_gso(sk))
return 0;
left = tp->snd_cwnd - in_flight;
diff --git a/include/net/tcp_ecn.h b/include/net/tcp_ecn.h
index 7bb366f..4629d77 100644
--- a/include/net/tcp_ecn.h
+++ b/include/net/tcp_ecn.h
@@ -55,9 +55,7 @@ static inline void TCP_ECN_send(struct sock *sk, struct tcp_sock *tp,
if (tp->ecn_flags&TCP_ECN_QUEUE_CWR) {
tp->ecn_flags &= ~TCP_ECN_QUEUE_CWR;
skb->h.th->cwr = 1;
- if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4)
- skb_shinfo(skb)->gso_type |=
- SKB_GSO_TCPV4_ECN;
+ skb_shinfo(skb)->gso_type |= SKB_GSO_TCP_ECN;
}
} else {
/* ACK or retransmitted segment: clear ECT|CE */
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