X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=net%2Fipv4%2Fip_fragment.c;h=74046efdf875804ee4bd60f20636b2aa1d09e7bf;hb=6ce61a7c2678800cfe59a5f4a41ce8f785b9d355;hp=b84b53a4752658e3f712328276f973f67069ea2a;hpb=e37a72de84d27ee8bc0e7dbb5c2f1774ed306dbb;p=powerpc.git diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index b84b53a475..74046efdf8 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -54,15 +54,15 @@ * even the most extreme cases without allowing an attacker to measurably * harm machine performance. */ -int sysctl_ipfrag_high_thresh = 256*1024; -int sysctl_ipfrag_low_thresh = 192*1024; +int sysctl_ipfrag_high_thresh __read_mostly = 256*1024; +int sysctl_ipfrag_low_thresh __read_mostly = 192*1024; -int sysctl_ipfrag_max_dist = 64; +int sysctl_ipfrag_max_dist __read_mostly = 64; /* Important NOTE! Fragment queue must be destroyed before MSL expires. * RFC791 is wrong proposing to prolongate timer each fragment arrival by TTL. */ -int sysctl_ipfrag_time = IP_FRAG_TIME; +int sysctl_ipfrag_time __read_mostly = IP_FRAG_TIME; struct ipfrag_skb_cb { @@ -77,9 +77,9 @@ struct ipq { struct hlist_node list; struct list_head lru_list; /* lru list member */ u32 user; - u32 saddr; - u32 daddr; - u16 id; + __be32 saddr; + __be32 daddr; + __be16 id; u8 protocol; u8 last_in; #define COMPLETE 4 @@ -123,14 +123,15 @@ static __inline__ void ipq_unlink(struct ipq *ipq) write_unlock(&ipfrag_lock); } -static unsigned int ipqhashfn(u16 id, u32 saddr, u32 daddr, u8 prot) +static unsigned int ipqhashfn(__be16 id, __be32 saddr, __be32 daddr, u8 prot) { - return jhash_3words((u32)id << 16 | prot, saddr, daddr, + return jhash_3words((__force u32)id << 16 | prot, + (__force u32)saddr, (__force u32)daddr, ipfrag_hash_rnd) & (IPQ_HASHSZ - 1); } static struct timer_list ipfrag_secret_timer; -int sysctl_ipfrag_secret_interval = 10 * 60 * HZ; +int sysctl_ipfrag_secret_interval __read_mostly = 10 * 60 * HZ; static void ipfrag_secret_rebuild(unsigned long dummy) { @@ -387,8 +388,8 @@ out_nomem: static inline struct ipq *ip_find(struct iphdr *iph, u32 user) { __be16 id = iph->id; - __u32 saddr = iph->saddr; - __u32 daddr = iph->daddr; + __be32 saddr = iph->saddr; + __be32 daddr = iph->daddr; __u8 protocol = iph->protocol; unsigned int hash; struct ipq *qp; @@ -665,7 +666,7 @@ static struct sk_buff *ip_frag_reasm(struct ipq *qp, struct net_device *dev) head->len += fp->len; if (head->ip_summed != fp->ip_summed) head->ip_summed = CHECKSUM_NONE; - else if (head->ip_summed == CHECKSUM_HW) + else if (head->ip_summed == CHECKSUM_COMPLETE) head->csum = csum_add(head->csum, fp->csum); head->truesize += fp->truesize; atomic_sub(fp->truesize, &ip_frag_mem);