OSDN Git Service

[NET]: Replace CHECKSUM_HW by CHECKSUM_PARTIAL/CHECKSUM_COMPLETE
[linux-kernel-docs/linux-2.6.git] / net / ipv4 / tcp_ipv4.c
index 4b04c3e..b2aa512 100644 (file)
@@ -484,7 +484,7 @@ void tcp_v4_send_check(struct sock *sk, int len, struct sk_buff *skb)
        struct inet_sock *inet = inet_sk(sk);
        struct tcphdr *th = skb->h.th;
 
-       if (skb->ip_summed == CHECKSUM_HW) {
+       if (skb->ip_summed == CHECKSUM_PARTIAL) {
                th->check = ~tcp_v4_check(th, len, inet->saddr, inet->daddr, 0);
                skb->csum = offsetof(struct tcphdr, check);
        } else {
@@ -509,7 +509,7 @@ int tcp_v4_gso_send_check(struct sk_buff *skb)
        th->check = 0;
        th->check = ~tcp_v4_check(th, skb->len, iph->saddr, iph->daddr, 0);
        skb->csum = offsetof(struct tcphdr, check);
-       skb->ip_summed = CHECKSUM_HW;
+       skb->ip_summed = CHECKSUM_PARTIAL;
        return 0;
 }
 
@@ -798,6 +798,9 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 
        tcp_openreq_init(req, &tmp_opt, skb);
 
+       if (security_inet_conn_request(sk, skb, req))
+               goto drop_and_free;
+
        ireq = inet_rsk(req);
        ireq->loc_addr = daddr;
        ireq->rmt_addr = saddr;
@@ -970,7 +973,7 @@ static struct sock *tcp_v4_hnd_req(struct sock *sk, struct sk_buff *skb)
 
 static int tcp_v4_checksum_init(struct sk_buff *skb)
 {
-       if (skb->ip_summed == CHECKSUM_HW) {
+       if (skb->ip_summed == CHECKSUM_COMPLETE) {
                if (!tcp_v4_check(skb->h.th, skb->len, skb->nh.iph->saddr,
                                  skb->nh.iph->daddr, skb->csum)) {
                        skb->ip_summed = CHECKSUM_UNNECESSARY;