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Message-Id: <1282570078-29512-1-git-send-email-xiaosuo@gmail.com>
Date: Mon, 23 Aug 2010 21:27:58 +0800
From: Changli Gao <xiaosuo@...il.com>
To: Jamal Hadi Salim <hadi@...erus.ca>
Cc: "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
Changli Gao <xiaosuo@...il.com>
Subject: [PATCH] net_sched: act_csum: coding style cleanup
Signed-off-by: Changli Gao <xiaosuo@...il.com>
---
net/sched/act_csum.c | 77 +++++++++++++++++++++++++--------------------------
1 file changed, 38 insertions(+), 39 deletions(-)
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index be41f1c..67dc7ce 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -42,9 +42,9 @@ static u32 csum_idx_gen;
static DEFINE_RWLOCK(csum_lock);
static struct tcf_hashinfo csum_hash_info = {
- .htab = tcf_csum_ht,
- .hmask = CSUM_TAB_MASK,
- .lock = &csum_lock,
+ .htab = tcf_csum_ht,
+ .hmask = CSUM_TAB_MASK,
+ .lock = &csum_lock,
};
static const struct nla_policy csum_policy[TCA_CSUM_MAX + 1] = {
@@ -73,7 +73,8 @@ static int tcf_csum_init(struct nlattr *nla, struct nlattr *est,
pc = tcf_hash_check(parm->index, a, bind, &csum_hash_info);
if (!pc) {
- pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind, &csum_idx_gen, &csum_hash_info);
+ pc = tcf_hash_create(parm->index, est, a, sizeof(*p), bind,
+ &csum_idx_gen, &csum_hash_info);
if (IS_ERR(pc))
return PTR_ERR(pc);
p = to_tcf_csum(pc);
@@ -230,8 +231,9 @@ static int tcf_csum_ipv4_udp(struct sk_buff *skb, struct iphdr *iph,
struct udphdr *udph;
u16 ul;
- /* Support both UDP and UDPLITE checksum algorithms,
- * Don't use udph->len to get the real length without any protocol check,
+ /*
+ * Support both UDP and UDPLITE checksum algorithms, Don't use
+ * udph->len to get the real length without any protocol check,
* UDPLITE uses udph->len for another thing,
* Use iph->tot_len, or just ipl.
*/
@@ -249,10 +251,8 @@ static int tcf_csum_ipv4_udp(struct sk_buff *skb, struct iphdr *iph,
if (udplite) {
if (ul == 0)
skb->csum = csum_partial(udph, ipl - ihl, 0);
-
else if ((ul >= sizeof(*udph)) && (ul <= ipl - ihl))
skb->csum = csum_partial(udph, ul, 0);
-
else
goto ignore_obscure_skb;
} else {
@@ -282,8 +282,9 @@ static int tcf_csum_ipv6_udp(struct sk_buff *skb, struct ipv6hdr *ip6h,
struct udphdr *udph;
u16 ul;
- /* Support both UDP and UDPLITE checksum algorithms,
- * Don't use udph->len to get the real length without any protocol check,
+ /*
+ * Support both UDP and UDPLITE checksum algorithms, Don't use
+ * udph->len to get the real length without any protocol check,
* UDPLITE uses udph->len for another thing,
* Use ip6h->payload_len + sizeof(*ip6h) ... , or just ipl.
*/
@@ -340,32 +341,32 @@ static int tcf_csum_ipv4(struct sk_buff *skb, u32 update_flags)
switch (iph->frag_off & htons(IP_OFFSET) ? 0 : iph->protocol) {
case IPPROTO_ICMP:
if (update_flags & TCA_CSUM_UPDATE_FLAG_ICMP)
- if (!tcf_csum_ipv4_icmp(skb,
- iph->ihl * 4, ntohs(iph->tot_len)))
+ if (!tcf_csum_ipv4_icmp(skb, iph->ihl * 4,
+ ntohs(iph->tot_len)))
goto fail;
break;
case IPPROTO_IGMP:
if (update_flags & TCA_CSUM_UPDATE_FLAG_IGMP)
- if (!tcf_csum_ipv4_igmp(skb,
- iph->ihl * 4, ntohs(iph->tot_len)))
+ if (!tcf_csum_ipv4_igmp(skb, iph->ihl * 4,
+ ntohs(iph->tot_len)))
goto fail;
break;
case IPPROTO_TCP:
if (update_flags & TCA_CSUM_UPDATE_FLAG_TCP)
- if (!tcf_csum_ipv4_tcp(skb, iph,
- iph->ihl * 4, ntohs(iph->tot_len)))
+ if (!tcf_csum_ipv4_tcp(skb, iph, iph->ihl * 4,
+ ntohs(iph->tot_len)))
goto fail;
break;
case IPPROTO_UDP:
if (update_flags & TCA_CSUM_UPDATE_FLAG_UDP)
- if (!tcf_csum_ipv4_udp(skb, iph,
- iph->ihl * 4, ntohs(iph->tot_len), 0))
+ if (!tcf_csum_ipv4_udp(skb, iph, iph->ihl * 4,
+ ntohs(iph->tot_len), 0))
goto fail;
break;
case IPPROTO_UDPLITE:
if (update_flags & TCA_CSUM_UPDATE_FLAG_UDPLITE)
- if (!tcf_csum_ipv4_udp(skb, iph,
- iph->ihl * 4, ntohs(iph->tot_len), 1))
+ if (!tcf_csum_ipv4_udp(skb, iph, iph->ihl * 4,
+ ntohs(iph->tot_len), 1))
goto fail;
break;
}
@@ -386,7 +387,7 @@ fail:
}
static int tcf_csum_ipv6_hopopts(struct ipv6_opt_hdr *ip6xh,
- unsigned int ixhl, unsigned int *pl)
+ unsigned int ixhl, unsigned int *pl)
{
int off, len, optlen;
unsigned char *xh = (void *)ip6xh;
@@ -395,8 +396,7 @@ static int tcf_csum_ipv6_hopopts(struct ipv6_opt_hdr *ip6xh,
len = ixhl - off;
while (len > 1) {
- switch (xh[off])
- {
+ switch (xh[off]) {
case IPV6_TLV_PAD0:
optlen = 1;
break;
@@ -476,14 +476,14 @@ static int tcf_csum_ipv6(struct sk_buff *skb, u32 update_flags)
goto done;
case IPPROTO_UDP:
if (update_flags & TCA_CSUM_UPDATE_FLAG_UDP)
- if (!tcf_csum_ipv6_udp(skb, ip6h,
- hl, pl + sizeof(*ip6h), 0))
+ if (!tcf_csum_ipv6_udp(skb, ip6h, hl,
+ pl + sizeof(*ip6h), 0))
goto fail;
goto done;
case IPPROTO_UDPLITE:
if (update_flags & TCA_CSUM_UPDATE_FLAG_UDPLITE)
- if (!tcf_csum_ipv6_udp(skb, ip6h,
- hl, pl + sizeof(*ip6h), 1))
+ if (!tcf_csum_ipv6_udp(skb, ip6h, hl,
+ pl + sizeof(*ip6h), 1))
goto fail;
goto done;
default:
@@ -544,7 +544,6 @@ static int tcf_csum_dump(struct sk_buff *skb,
struct tcf_csum *p = a->priv;
struct tc_csum opt = {
.update_flags = p->update_flags,
-
.index = p->tcf_index,
.action = p->tcf_action,
.refcnt = p->tcf_refcnt - ref,
@@ -566,17 +565,17 @@ nla_put_failure:
}
static struct tc_action_ops act_csum_ops = {
- .kind = "csum",
- .hinfo = &csum_hash_info,
- .type = TCA_ACT_CSUM,
- .capab = TCA_CAP_NONE,
- .owner = THIS_MODULE,
- .act = tcf_csum,
- .dump = tcf_csum_dump,
- .cleanup = tcf_csum_cleanup,
- .lookup = tcf_hash_search,
- .init = tcf_csum_init,
- .walk = tcf_generic_walker
+ .kind = "csum",
+ .hinfo = &csum_hash_info,
+ .type = TCA_ACT_CSUM,
+ .capab = TCA_CAP_NONE,
+ .owner = THIS_MODULE,
+ .act = tcf_csum,
+ .dump = tcf_csum_dump,
+ .cleanup = tcf_csum_cleanup,
+ .lookup = tcf_hash_search,
+ .init = tcf_csum_init,
+ .walk = tcf_generic_walker
};
MODULE_DESCRIPTION("Checksum updating actions");
--
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