Commit 0eec32ff authored by Changli Gao's avatar Changli Gao Committed by David S. Miller

net_sched: act_csum: coding style cleanup

Signed-off-by: default avatarChangli Gao <xiaosuo@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7abac686
...@@ -73,7 +73,8 @@ static int tcf_csum_init(struct nlattr *nla, struct nlattr *est, ...@@ -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); pc = tcf_hash_check(parm->index, a, bind, &csum_hash_info);
if (!pc) { 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)) if (IS_ERR(pc))
return PTR_ERR(pc); return PTR_ERR(pc);
p = to_tcf_csum(pc); p = to_tcf_csum(pc);
...@@ -230,8 +231,9 @@ static int tcf_csum_ipv4_udp(struct sk_buff *skb, struct iphdr *iph, ...@@ -230,8 +231,9 @@ static int tcf_csum_ipv4_udp(struct sk_buff *skb, struct iphdr *iph,
struct udphdr *udph; struct udphdr *udph;
u16 ul; 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, * UDPLITE uses udph->len for another thing,
* Use iph->tot_len, or just ipl. * Use iph->tot_len, or just ipl.
*/ */
...@@ -249,10 +251,8 @@ static int tcf_csum_ipv4_udp(struct sk_buff *skb, struct iphdr *iph, ...@@ -249,10 +251,8 @@ static int tcf_csum_ipv4_udp(struct sk_buff *skb, struct iphdr *iph,
if (udplite) { if (udplite) {
if (ul == 0) if (ul == 0)
skb->csum = csum_partial(udph, ipl - ihl, 0); skb->csum = csum_partial(udph, ipl - ihl, 0);
else if ((ul >= sizeof(*udph)) && (ul <= ipl - ihl)) else if ((ul >= sizeof(*udph)) && (ul <= ipl - ihl))
skb->csum = csum_partial(udph, ul, 0); skb->csum = csum_partial(udph, ul, 0);
else else
goto ignore_obscure_skb; goto ignore_obscure_skb;
} else { } else {
...@@ -282,8 +282,9 @@ static int tcf_csum_ipv6_udp(struct sk_buff *skb, struct ipv6hdr *ip6h, ...@@ -282,8 +282,9 @@ static int tcf_csum_ipv6_udp(struct sk_buff *skb, struct ipv6hdr *ip6h,
struct udphdr *udph; struct udphdr *udph;
u16 ul; 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, * UDPLITE uses udph->len for another thing,
* Use ip6h->payload_len + sizeof(*ip6h) ... , or just ipl. * 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) ...@@ -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) { switch (iph->frag_off & htons(IP_OFFSET) ? 0 : iph->protocol) {
case IPPROTO_ICMP: case IPPROTO_ICMP:
if (update_flags & TCA_CSUM_UPDATE_FLAG_ICMP) if (update_flags & TCA_CSUM_UPDATE_FLAG_ICMP)
if (!tcf_csum_ipv4_icmp(skb, if (!tcf_csum_ipv4_icmp(skb, iph->ihl * 4,
iph->ihl * 4, ntohs(iph->tot_len))) ntohs(iph->tot_len)))
goto fail; goto fail;
break; break;
case IPPROTO_IGMP: case IPPROTO_IGMP:
if (update_flags & TCA_CSUM_UPDATE_FLAG_IGMP) if (update_flags & TCA_CSUM_UPDATE_FLAG_IGMP)
if (!tcf_csum_ipv4_igmp(skb, if (!tcf_csum_ipv4_igmp(skb, iph->ihl * 4,
iph->ihl * 4, ntohs(iph->tot_len))) ntohs(iph->tot_len)))
goto fail; goto fail;
break; break;
case IPPROTO_TCP: case IPPROTO_TCP:
if (update_flags & TCA_CSUM_UPDATE_FLAG_TCP) if (update_flags & TCA_CSUM_UPDATE_FLAG_TCP)
if (!tcf_csum_ipv4_tcp(skb, iph, if (!tcf_csum_ipv4_tcp(skb, iph, iph->ihl * 4,
iph->ihl * 4, ntohs(iph->tot_len))) ntohs(iph->tot_len)))
goto fail; goto fail;
break; break;
case IPPROTO_UDP: case IPPROTO_UDP:
if (update_flags & TCA_CSUM_UPDATE_FLAG_UDP) if (update_flags & TCA_CSUM_UPDATE_FLAG_UDP)
if (!tcf_csum_ipv4_udp(skb, iph, if (!tcf_csum_ipv4_udp(skb, iph, iph->ihl * 4,
iph->ihl * 4, ntohs(iph->tot_len), 0)) ntohs(iph->tot_len), 0))
goto fail; goto fail;
break; break;
case IPPROTO_UDPLITE: case IPPROTO_UDPLITE:
if (update_flags & TCA_CSUM_UPDATE_FLAG_UDPLITE) if (update_flags & TCA_CSUM_UPDATE_FLAG_UDPLITE)
if (!tcf_csum_ipv4_udp(skb, iph, if (!tcf_csum_ipv4_udp(skb, iph, iph->ihl * 4,
iph->ihl * 4, ntohs(iph->tot_len), 1)) ntohs(iph->tot_len), 1))
goto fail; goto fail;
break; break;
} }
...@@ -395,8 +396,7 @@ static int tcf_csum_ipv6_hopopts(struct ipv6_opt_hdr *ip6xh, ...@@ -395,8 +396,7 @@ static int tcf_csum_ipv6_hopopts(struct ipv6_opt_hdr *ip6xh,
len = ixhl - off; len = ixhl - off;
while (len > 1) { while (len > 1) {
switch (xh[off]) switch (xh[off]) {
{
case IPV6_TLV_PAD0: case IPV6_TLV_PAD0:
optlen = 1; optlen = 1;
break; break;
...@@ -476,14 +476,14 @@ static int tcf_csum_ipv6(struct sk_buff *skb, u32 update_flags) ...@@ -476,14 +476,14 @@ static int tcf_csum_ipv6(struct sk_buff *skb, u32 update_flags)
goto done; goto done;
case IPPROTO_UDP: case IPPROTO_UDP:
if (update_flags & TCA_CSUM_UPDATE_FLAG_UDP) if (update_flags & TCA_CSUM_UPDATE_FLAG_UDP)
if (!tcf_csum_ipv6_udp(skb, ip6h, if (!tcf_csum_ipv6_udp(skb, ip6h, hl,
hl, pl + sizeof(*ip6h), 0)) pl + sizeof(*ip6h), 0))
goto fail; goto fail;
goto done; goto done;
case IPPROTO_UDPLITE: case IPPROTO_UDPLITE:
if (update_flags & TCA_CSUM_UPDATE_FLAG_UDPLITE) if (update_flags & TCA_CSUM_UPDATE_FLAG_UDPLITE)
if (!tcf_csum_ipv6_udp(skb, ip6h, if (!tcf_csum_ipv6_udp(skb, ip6h, hl,
hl, pl + sizeof(*ip6h), 1)) pl + sizeof(*ip6h), 1))
goto fail; goto fail;
goto done; goto done;
default: default:
...@@ -544,7 +544,6 @@ static int tcf_csum_dump(struct sk_buff *skb, ...@@ -544,7 +544,6 @@ static int tcf_csum_dump(struct sk_buff *skb,
struct tcf_csum *p = a->priv; struct tcf_csum *p = a->priv;
struct tc_csum opt = { struct tc_csum opt = {
.update_flags = p->update_flags, .update_flags = p->update_flags,
.index = p->tcf_index, .index = p->tcf_index,
.action = p->tcf_action, .action = p->tcf_action,
.refcnt = p->tcf_refcnt - ref, .refcnt = p->tcf_refcnt - ref,
......
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