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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2007-03-13 13:51:52 -0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:25:17 -0700 |
| commit | 967b05f64e27d04a4c8879addd0e1c52137e2c9e (patch) | |
| tree | c2c7ab3f0284903222d6d0864deaedbd4766b9b8 /net/ipv4 | |
| parent | ea2ae17d6443abddc79480dc9f7af8feacabddc4 (diff) | |
| download | linux-3.10-967b05f64e27d04a4c8879addd0e1c52137e2c9e.tar.gz linux-3.10-967b05f64e27d04a4c8879addd0e1c52137e2c9e.tar.bz2 linux-3.10-967b05f64e27d04a4c8879addd0e1c52137e2c9e.zip | |
[SK_BUFF]: Introduce skb_set_transport_header
For the cases where the transport header is being set to a offset from
skb->data.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/esp4.c | 3 | ||||
| -rw-r--r-- | net/ipv4/ip_output.c | 19 | ||||
| -rw-r--r-- | net/ipv4/tcp_input.c | 2 |
3 files changed, 11 insertions, 13 deletions
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index 95767456280..82543eebfa5 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -261,7 +261,8 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb) iph->protocol = nexthdr[1]; pskb_trim(skb, skb->len - alen - padlen - 2); - skb->h.raw = __skb_pull(skb, sizeof(*esph) + esp->conf.ivlen) - ihl; + __skb_pull(skb, sizeof(*esph) + esp->conf.ivlen); + skb_set_transport_header(skb, -ihl); return 0; diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 63c05be0764..6d92358fc51 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -593,7 +593,7 @@ slow_path: skb_reserve(skb2, ll_rs); skb_put(skb2, len + hlen); skb_reset_network_header(skb2); - skb2->h.raw = skb2->data + hlen; + skb2->h.raw = skb2->nh.raw + hlen; /* * Charge the memory for the fragment to any owner @@ -724,7 +724,7 @@ static inline int ip_ufo_append_data(struct sock *sk, skb_reset_network_header(skb); /* initialize protocol header pointer */ - skb->h.raw = skb->data + fragheaderlen; + skb->h.raw = skb->nh.raw + fragheaderlen; skb->ip_summed = CHECKSUM_PARTIAL; skb->csum = 0; @@ -1099,8 +1099,6 @@ ssize_t ip_append_page(struct sock *sk, struct page *page, } if (len <= 0) { struct sk_buff *skb_prev; - char *data; - struct iphdr *iph; int alloclen; skb_prev = skb; @@ -1123,16 +1121,15 @@ ssize_t ip_append_page(struct sock *sk, struct page *page, /* * Find where to start putting bytes. */ - data = skb_put(skb, fragheaderlen + fraggap); + skb_put(skb, fragheaderlen + fraggap); skb_reset_network_header(skb); - iph = ip_hdr(skb); - data += fragheaderlen; - skb->h.raw = data; + skb->h.raw = skb->nh.raw + fragheaderlen; if (fraggap) { - skb->csum = skb_copy_and_csum_bits( - skb_prev, maxfraglen, - data, fraggap, 0); + skb->csum = skb_copy_and_csum_bits(skb_prev, + maxfraglen, + skb->h.raw, + fraggap, 0); skb_prev->csum = csum_sub(skb_prev->csum, skb->csum); pskb_trim_unique(skb_prev, maxfraglen); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 5da823a3225..2776a8b0133 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3636,7 +3636,7 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list, skb_set_mac_header(nskb, skb_mac_header(skb) - skb->head); skb_set_network_header(nskb, skb_network_header(skb) - skb->head); - nskb->h.raw = nskb->data + (skb->h.raw - skb->head); + skb_set_transport_header(nskb, skb->h.raw - skb->head); skb_reserve(nskb, header); memcpy(nskb->head, skb->head, header); |