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Diffstat (limited to 'net/ipv6/tcp_ipv6.c')
-rw-r--r--net/ipv6/tcp_ipv6.c67
1 files changed, 35 insertions, 32 deletions
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 36131d122a6f..906c7ca43542 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -62,6 +62,7 @@
#include <net/netdma.h>
#include <net/inet_common.h>
#include <net/secure_seq.h>
+#include <net/tcp_memcontrol.h>
#include <asm/uaccess.h>
@@ -153,7 +154,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
- ipv6_addr_copy(&usin->sin6_addr, &flowlabel->dst);
+ usin->sin6_addr = flowlabel->dst;
fl6_sock_release(flowlabel);
}
}
@@ -195,7 +196,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
tp->write_seq = 0;
}
- ipv6_addr_copy(&np->daddr, &usin->sin6_addr);
+ np->daddr = usin->sin6_addr;
np->flow_label = fl6.flowlabel;
/*
@@ -244,9 +245,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
saddr = &np->rcv_saddr;
fl6.flowi6_proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl6.daddr, &np->daddr);
- ipv6_addr_copy(&fl6.saddr,
- (saddr ? saddr : &np->saddr));
+ fl6.daddr = np->daddr;
+ fl6.saddr = saddr ? *saddr : np->saddr;
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_dport = usin->sin6_port;
@@ -264,11 +264,11 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
if (saddr == NULL) {
saddr = &fl6.saddr;
- ipv6_addr_copy(&np->rcv_saddr, saddr);
+ np->rcv_saddr = *saddr;
}
/* set the source address */
- ipv6_addr_copy(&np->saddr, saddr);
+ np->saddr = *saddr;
inet->inet_rcv_saddr = LOOPBACK4_IPV6;
sk->sk_gso_type = SKB_GSO_TCPV6;
@@ -398,8 +398,8 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
*/
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl6.daddr, &np->daddr);
- ipv6_addr_copy(&fl6.saddr, &np->saddr);
+ fl6.daddr = np->daddr;
+ fl6.saddr = np->saddr;
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_dport = inet->inet_dport;
@@ -489,8 +489,8 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
- ipv6_addr_copy(&fl6.saddr, &treq->loc_addr);
+ fl6.daddr = treq->rmt_addr;
+ fl6.saddr = treq->loc_addr;
fl6.flowlabel = 0;
fl6.flowi6_oif = treq->iif;
fl6.flowi6_mark = sk->sk_mark;
@@ -512,7 +512,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
if (skb) {
__tcp_v6_send_check(skb, &treq->loc_addr, &treq->rmt_addr);
- ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
+ fl6.daddr = treq->rmt_addr;
err = ip6_xmit(sk, skb, &fl6, opt, np->tclass);
err = net_xmit_eval(err);
}
@@ -617,8 +617,7 @@ static int tcp_v6_md5_do_add(struct sock *sk, const struct in6_addr *peer,
tp->md5sig_info->alloced6++;
}
- ipv6_addr_copy(&tp->md5sig_info->keys6[tp->md5sig_info->entries6].addr,
- peer);
+ tp->md5sig_info->keys6[tp->md5sig_info->entries6].addr = *peer;
tp->md5sig_info->keys6[tp->md5sig_info->entries6].base.key = newkey;
tp->md5sig_info->keys6[tp->md5sig_info->entries6].base.keylen = newkeylen;
@@ -750,8 +749,8 @@ static int tcp_v6_md5_hash_pseudoheader(struct tcp_md5sig_pool *hp,
bp = &hp->md5_blk.ip6;
/* 1. TCP pseudo-header (RFC2460) */
- ipv6_addr_copy(&bp->saddr, saddr);
- ipv6_addr_copy(&bp->daddr, daddr);
+ bp->saddr = *saddr;
+ bp->daddr = *daddr;
bp->protocol = cpu_to_be32(IPPROTO_TCP);
bp->len = cpu_to_be32(nbytes);
@@ -1039,8 +1038,8 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
#endif
memset(&fl6, 0, sizeof(fl6));
- ipv6_addr_copy(&fl6.daddr, &ipv6_hdr(skb)->saddr);
- ipv6_addr_copy(&fl6.saddr, &ipv6_hdr(skb)->daddr);
+ fl6.daddr = ipv6_hdr(skb)->saddr;
+ fl6.saddr = ipv6_hdr(skb)->daddr;
buff->ip_summed = CHECKSUM_PARTIAL;
buff->csum = 0;
@@ -1250,11 +1249,18 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
tcp_openreq_init(req, &tmp_opt, skb);
treq = inet6_rsk(req);
- ipv6_addr_copy(&treq->rmt_addr, &ipv6_hdr(skb)->saddr);
- ipv6_addr_copy(&treq->loc_addr, &ipv6_hdr(skb)->daddr);
+ treq->rmt_addr = ipv6_hdr(skb)->saddr;
+ treq->loc_addr = ipv6_hdr(skb)->daddr;
if (!want_cookie || tmp_opt.tstamp_ok)
TCP_ECN_create_request(req, tcp_hdr(skb));
+ treq->iif = sk->sk_bound_dev_if;
+
+ /* So that link locals have meaning */
+ if (!sk->sk_bound_dev_if &&
+ ipv6_addr_type(&treq->rmt_addr) & IPV6_ADDR_LINKLOCAL)
+ treq->iif = inet6_iif(skb);
+
if (!isn) {
struct inet_peer *peer = NULL;
@@ -1264,12 +1270,6 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
atomic_inc(&skb->users);
treq->pktopts = skb;
}
- treq->iif = sk->sk_bound_dev_if;
-
- /* So that link locals have meaning */
- if (!sk->sk_bound_dev_if &&
- ipv6_addr_type(&treq->rmt_addr) & IPV6_ADDR_LINKLOCAL)
- treq->iif = inet6_iif(skb);
if (want_cookie) {
isn = cookie_v6_init_sequence(sk, skb, &req->mss);
@@ -1380,7 +1380,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
ipv6_addr_set_v4mapped(newinet->inet_saddr, &newnp->saddr);
- ipv6_addr_copy(&newnp->rcv_saddr, &newnp->saddr);
+ newnp->rcv_saddr = newnp->saddr;
inet_csk(newsk)->icsk_af_ops = &ipv6_mapped;
newsk->sk_backlog_rcv = tcp_v4_do_rcv;
@@ -1444,9 +1444,9 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
memcpy(newnp, np, sizeof(struct ipv6_pinfo));
- ipv6_addr_copy(&newnp->daddr, &treq->rmt_addr);
- ipv6_addr_copy(&newnp->saddr, &treq->loc_addr);
- ipv6_addr_copy(&newnp->rcv_saddr, &treq->loc_addr);
+ newnp->daddr = treq->rmt_addr;
+ newnp->saddr = treq->loc_addr;
+ newnp->rcv_saddr = treq->loc_addr;
newsk->sk_bound_dev_if = treq->iif;
/* Now IPv6 options...
@@ -1995,7 +1995,8 @@ static int tcp_v6_init_sock(struct sock *sk)
sk->sk_rcvbuf = sysctl_tcp_rmem[1];
local_bh_disable();
- percpu_counter_inc(&tcp_sockets_allocated);
+ sock_update_memcg(sk);
+ sk_sockets_allocated_inc(sk);
local_bh_enable();
return 0;
@@ -2214,7 +2215,6 @@ struct proto tcpv6_prot = {
.memory_allocated = &tcp_memory_allocated,
.memory_pressure = &tcp_memory_pressure,
.orphan_count = &tcp_orphan_count,
- .sysctl_mem = sysctl_tcp_mem,
.sysctl_wmem = sysctl_tcp_wmem,
.sysctl_rmem = sysctl_tcp_rmem,
.max_header = MAX_TCP_HEADER,
@@ -2228,6 +2228,9 @@ struct proto tcpv6_prot = {
.compat_setsockopt = compat_tcp_setsockopt,
.compat_getsockopt = compat_tcp_getsockopt,
#endif
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+ .proto_cgroup = tcp_proto_cgroup,
+#endif
};
static const struct inet6_protocol tcpv6_protocol = {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.