diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2007-02-14 13:58:42 +0100 |
|---|---|---|
| committer | Adrian Bunk <bunk@stusta.de> | 2007-02-14 13:58:42 +0100 |
| commit | 2f6d2c9b7d870de96a915748178aa02596ac19c1 (patch) | |
| tree | b1e89ac341c66542d3bcf53dcc0dac06be87fba4 | |
| parent | 844affa5745e38d3ac2e11d4cee79deed06df0e2 (diff) | |
[TCP]: struct tcp_sack_block annotations
Some of the instances of tcp_sack_block are host-endian, some - net-endian.
Define struct tcp_sack_block_wire identical to struct tcp_sack_block
with u32 replaced with __be32; annotate uses of tcp_sack_block replacing
net-endian ones with tcp_sack_block_wire. Change is obviously safe since
for cc(1) __be32 is typedefed to u32.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
| -rw-r--r-- | include/linux/tcp.h | 5 | ||||
| -rw-r--r-- | net/ipv4/netfilter/ip_nat_helper.c | 2 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 2 |
3 files changed, 7 insertions, 2 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index f2bb2396853..657f2628d23 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -166,6 +166,11 @@ struct tcp_info #include <net/inet_timewait_sock.h> /* This defines a selective acknowledgement block. */ +struct tcp_sack_block_wire { + __be32 start_seq; + __be32 end_seq; +}; + struct tcp_sack_block { __u32 start_seq; __u32 end_seq; diff --git a/net/ipv4/netfilter/ip_nat_helper.c b/net/ipv4/netfilter/ip_nat_helper.c index 5d506e0564d..2ba583c795d 100644 --- a/net/ipv4/netfilter/ip_nat_helper.c +++ b/net/ipv4/netfilter/ip_nat_helper.c @@ -268,7 +268,7 @@ sack_adjust(struct sk_buff *skb, struct ip_nat_seq *natseq) { while (sackoff < sackend) { - struct tcp_sack_block *sack; + struct tcp_sack_block_wire *sack; u_int32_t new_start_seq, new_end_seq; sack = (void *)skb->data + sackoff; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 408a4fe0b78..412e3d214d7 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -933,7 +933,7 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb, u32 prior_snd_ const struct inet_connection_sock *icsk = inet_csk(sk); struct tcp_sock *tp = tcp_sk(sk); unsigned char *ptr = ack_skb->h.raw + TCP_SKB_CB(ack_skb)->sacked; - struct tcp_sack_block *sp = (struct tcp_sack_block *)(ptr+2); + struct tcp_sack_block_wire *sp = (struct tcp_sack_block_wire *)(ptr+2); int num_sacks = (ptr[1] - TCPOLEN_SACK_BASE)>>3; int reord = tp->packets_out; int prior_fackets; |