diff options
| author | Florian Westphal <fw@strlen.de> | 2014-01-26 10:58:16 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-01-27 07:38:23 +0100 |
| commit | de960aa9ab4decc3304959f69533eef64d05d8e8 (patch) | |
| tree | 1f225ca6fef5512f121856b7572534d2ed171e39 /net/sched/sch_tbf.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml (diff) | |
| download | linux-de960aa9ab4decc3304959f69533eef64d05d8e8.tar.xz linux-de960aa9ab4decc3304959f69533eef64d05d8e8.zip | |
net: add and use skb_gso_transport_seglen()
This moves part of Eric Dumazets skb_gso_seglen helper from tbf sched to
skbuff core so it may be reused by upcoming ip forwarding path patch.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_tbf.c')
| -rw-r--r-- | net/sched/sch_tbf.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c index fbba5b0ec121..1cb413fead89 100644 --- a/net/sched/sch_tbf.c +++ b/net/sched/sch_tbf.c @@ -21,7 +21,6 @@ #include <net/netlink.h> #include <net/sch_generic.h> #include <net/pkt_sched.h> -#include <net/tcp.h> /* Simple Token Bucket Filter. @@ -148,16 +147,10 @@ static u64 psched_ns_t2l(const struct psched_ratecfg *r, * Return length of individual segments of a gso packet, * including all headers (MAC, IP, TCP/UDP) */ -static unsigned int skb_gso_seglen(const struct sk_buff *skb) +static unsigned int skb_gso_mac_seglen(const struct sk_buff *skb) { unsigned int hdr_len = skb_transport_header(skb) - skb_mac_header(skb); - const struct skb_shared_info *shinfo = skb_shinfo(skb); - - if (likely(shinfo->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6))) - hdr_len += tcp_hdrlen(skb); - else - hdr_len += sizeof(struct udphdr); - return hdr_len + shinfo->gso_size; + return hdr_len + skb_gso_transport_seglen(skb); } /* GSO packet is too big, segment it so that tbf can transmit @@ -202,7 +195,7 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch) int ret; if (qdisc_pkt_len(skb) > q->max_size) { - if (skb_is_gso(skb) && skb_gso_seglen(skb) <= q->max_size) + if (skb_is_gso(skb) && skb_gso_mac_seglen(skb) <= q->max_size) return tbf_segment(skb, sch); return qdisc_reshape_fail(skb, sch); } |