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mptcp: drop MPTCP_ADDR_IPVERSION_4/6 

Since the type of the address family in struct mptcp_options_received
became sa_family_t, we should set AF_INET/AF_INET6 to it, instead of
using MPTCP_ADDR_IPVERSION_4/6.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geliang Tang 2021-04-06 17:16:01 -07:00 committed by David S. Miller
parent f7dafee185
commit 1b1a6ef597
2 changed files with 7 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
net/mptcp/options.c
View File

@ -220,22 +220,22 @@ static void mptcp_parse_option(const struct sk_buff *skb,
if (!mp_opt->echo) {
if (opsize == TCPOLEN_MPTCP_ADD_ADDR ||
opsize == TCPOLEN_MPTCP_ADD_ADDR_PORT)
mp_opt->addr.family = MPTCP_ADDR_IPVERSION_4;
mp_opt->addr.family = AF_INET;
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
else if (opsize == TCPOLEN_MPTCP_ADD_ADDR6 ||
opsize == TCPOLEN_MPTCP_ADD_ADDR6_PORT)
mp_opt->addr.family = MPTCP_ADDR_IPVERSION_6;
mp_opt->addr.family = AF_INET6;
#endif
else
break;
} else {
if (opsize == TCPOLEN_MPTCP_ADD_ADDR_BASE ||
opsize == TCPOLEN_MPTCP_ADD_ADDR_BASE_PORT)
mp_opt->addr.family = MPTCP_ADDR_IPVERSION_4;
mp_opt->addr.family = AF_INET;
#if IS_ENABLED(CONFIG_MPTCP_IPV6)
else if (opsize == TCPOLEN_MPTCP_ADD_ADDR6_BASE ||
opsize == TCPOLEN_MPTCP_ADD_ADDR6_BASE_PORT)
mp_opt->addr.family = MPTCP_ADDR_IPVERSION_6;
mp_opt->addr.family = AF_INET6;
#endif
else
break;
@ -243,7 +243,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
mp_opt->add_addr = 1;
mp_opt->addr.id = *ptr++;
if (mp_opt->addr.family == MPTCP_ADDR_IPVERSION_4) {
if (mp_opt->addr.family == AF_INET) {
memcpy((u8 *)&mp_opt->addr.addr.s_addr, (u8 *)ptr, 4);
ptr += 4;
if (opsize == TCPOLEN_MPTCP_ADD_ADDR_PORT ||
@ -268,7 +268,7 @@ static void mptcp_parse_option(const struct sk_buff *skb,
ptr += 8;
}
pr_debug("ADD_ADDR%s: id=%d, ahmac=%llu, echo=%d, port=%d",
(mp_opt->addr.family == MPTCP_ADDR_IPVERSION_6) ? "6" : "",
(mp_opt->addr.family == AF_INET6) ? "6" : "",
mp_opt->addr.id, mp_opt->ahmac, mp_opt->echo, ntohs(mp_opt->addr.port));
break;
@ -991,7 +991,7 @@ static bool add_addr_hmac_valid(struct mptcp_sock *msk,
if (mp_opt->echo)
return true;
if (mp_opt->addr.family == MPTCP_ADDR_IPVERSION_4)
if (mp_opt->addr.family == AF_INET)
hmac = add_addr_generate_hmac(msk->remote_key,
msk->local_key,
mp_opt->addr.id, &mp_opt->addr.addr,

2
net/mptcp/protocol.h
View File

@ -90,8 +90,6 @@
/* MPTCP ADD_ADDR flags */
#define MPTCP_ADDR_ECHO BIT(0)
#define MPTCP_ADDR_IPVERSION_4 4
#define MPTCP_ADDR_IPVERSION_6 6
/* MPTCP MP_PRIO flags */
#define MPTCP_PRIO_BKUP BIT(0)