diff options
| author | Eric Dumazet <edumazet@google.com> | 2023-08-16 11:15:40 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-08-16 13:09:17 +0300 |
| commit | 307b4ac6dc18436076cdd314aa3e556be077bf2d (patch) | |
| tree | c750fdee64bbf6c74db275a134986b0b02f718b9 /net/ipv4 | |
| parent | b09bde5c3554d58cb711dac55a10ecc56d436966 (diff) | |
| download | linux-307b4ac6dc18436076cdd314aa3e556be077bf2d.tar.xz | |
inet: move inet->mc_all to inet->inet_frags
IP_MULTICAST_ALL socket option can now be set/read
without locking the socket.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4')
| -rw-r--r-- | net/ipv4/af_inet.c | 2 | ||||
| -rw-r--r-- | net/ipv4/igmp.c | 2 | ||||
| -rw-r--r-- | net/ipv4/inet_diag.c | 2 | ||||
| -rw-r--r-- | net/ipv4/ip_sockglue.c | 22 |
4 files changed, 14 insertions, 14 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index e847822df9b6..47c9cdd7687f 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -358,7 +358,7 @@ lookup_protocol: inet->uc_ttl = -1; inet_set_bit(MC_LOOP, sk); inet->mc_ttl = 1; - inet->mc_all = 1; + inet_set_bit(MC_ALL, sk); inet->mc_index = 0; inet->mc_list = NULL; inet->rcv_tos = 0; diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 48ff5f13e797..0c9e768e5628 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -2658,7 +2658,7 @@ int ip_mc_sf_allow(const struct sock *sk, __be32 loc_addr, __be32 rmt_addr, (sdif && pmc->multi.imr_ifindex == sdif))) break; } - ret = inet->mc_all; + ret = inet_test_bit(MC_ALL, sk); if (!pmc) goto unlock; psl = rcu_dereference(pmc->sflist); diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index cc797261893b..e009dab80c35 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -188,7 +188,7 @@ int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb, inet_sockopt.hdrincl = inet_test_bit(HDRINCL, sk); inet_sockopt.mc_loop = inet_test_bit(MC_LOOP, sk); inet_sockopt.transparent = inet->transparent; - inet_sockopt.mc_all = inet->mc_all; + inet_sockopt.mc_all = inet_test_bit(MC_ALL, sk); inet_sockopt.nodefrag = inet->nodefrag; inet_sockopt.bind_address_no_port = inet->bind_address_no_port; inet_sockopt.recverr_rfc4884 = inet_test_bit(RECVERR_RFC4884, sk); diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index be569032b612..2f27c30a4ecc 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -998,6 +998,14 @@ int do_ip_setsockopt(struct sock *sk, int level, int optname, return -EINVAL; inet_assign_bit(MC_LOOP, sk, val); return 0; + case IP_MULTICAST_ALL: + if (optlen < 1) + return -EINVAL; + if (val != 0 && val != 1) + return -EINVAL; + inet_assign_bit(MC_ALL, sk, val); + return 0; + } err = 0; @@ -1303,14 +1311,6 @@ int do_ip_setsockopt(struct sock *sk, int level, int optname, else err = ip_set_mcast_msfilter(sk, optval, optlen); break; - case IP_MULTICAST_ALL: - if (optlen < 1) - goto e_inval; - if (val != 0 && val != 1) - goto e_inval; - inet->mc_all = val; - break; - case IP_IPSEC_POLICY: case IP_XFRM_POLICY: err = -EPERM; @@ -1582,6 +1582,9 @@ int do_ip_getsockopt(struct sock *sk, int level, int optname, case IP_MULTICAST_LOOP: val = inet_test_bit(MC_LOOP, sk); goto copyval; + case IP_MULTICAST_ALL: + val = inet_test_bit(MC_ALL, sk); + goto copyval; } if (needs_rtnl) @@ -1694,9 +1697,6 @@ int do_ip_getsockopt(struct sock *sk, int level, int optname, else err = ip_get_mcast_msfilter(sk, optval, optlen, len); goto out; - case IP_MULTICAST_ALL: - val = inet->mc_all; - break; case IP_PKTOPTIONS: { struct msghdr msg; |