diff options
| author | Erin MacNeil <lnx.erin@gmail.com> | 2022-04-27 16:02:37 -0400 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-04-28 13:08:15 -0700 |
| commit | 6fd1d51cfa253b5ee7dae18d7cf1df830e9b6137 (patch) | |
| tree | a31571fbe97aecf0397022180c5f481f5a70636b /include | |
| parent | 0e55546b189fc5f1ce5149445d7df083f26d4f25 (diff) | |
| download | linux-6fd1d51cfa253b5ee7dae18d7cf1df830e9b6137.tar.bz2 | |
net: SO_RCVMARK socket option for SO_MARK with recvmsg()
Adding a new socket option, SO_RCVMARK, to indicate that SO_MARK
should be included in the ancillary data returned by recvmsg().
Renamed the sock_recv_ts_and_drops() function to sock_recv_cmsgs().
Signed-off-by: Erin MacNeil <lnx.erin@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20220427200259.2564-1-lnx.erin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/sock.h | 18 | ||||
| -rw-r--r-- | include/uapi/asm-generic/socket.h | 2 |
2 files changed, 12 insertions, 8 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index f9f8ecae0f8d..663041b92c21 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -893,6 +893,7 @@ enum sock_flags { SOCK_TXTIME, SOCK_XDP, /* XDP is attached */ SOCK_TSTAMP_NEW, /* Indicates 64 bit timestamps always */ + SOCK_RCVMARK, /* Receive SO_MARK ancillary data with packet */ }; #define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE)) @@ -2647,20 +2648,21 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb) __sock_recv_wifi_status(msg, sk, skb); } -void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, - struct sk_buff *skb); +void __sock_recv_cmsgs(struct msghdr *msg, struct sock *sk, + struct sk_buff *skb); #define SK_DEFAULT_STAMP (-1L * NSEC_PER_SEC) -static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk, - struct sk_buff *skb) +static inline void sock_recv_cmsgs(struct msghdr *msg, struct sock *sk, + struct sk_buff *skb) { -#define FLAGS_TS_OR_DROPS ((1UL << SOCK_RXQ_OVFL) | \ - (1UL << SOCK_RCVTSTAMP)) +#define FLAGS_RECV_CMSGS ((1UL << SOCK_RXQ_OVFL) | \ + (1UL << SOCK_RCVTSTAMP) | \ + (1UL << SOCK_RCVMARK)) #define TSFLAGS_ANY (SOF_TIMESTAMPING_SOFTWARE | \ SOF_TIMESTAMPING_RAW_HARDWARE) - if (sk->sk_flags & FLAGS_TS_OR_DROPS || sk->sk_tsflags & TSFLAGS_ANY) - __sock_recv_ts_and_drops(msg, sk, skb); + if (sk->sk_flags & FLAGS_RECV_CMSGS || sk->sk_tsflags & TSFLAGS_ANY) + __sock_recv_cmsgs(msg, sk, skb); else if (unlikely(sock_flag(sk, SOCK_TIMESTAMP))) sock_write_timestamp(sk, skb->tstamp); else if (unlikely(sk->sk_stamp == SK_DEFAULT_STAMP)) diff --git a/include/uapi/asm-generic/socket.h b/include/uapi/asm-generic/socket.h index 467ca2f28760..638230899e98 100644 --- a/include/uapi/asm-generic/socket.h +++ b/include/uapi/asm-generic/socket.h @@ -130,6 +130,8 @@ #define SO_TXREHASH 74 +#define SO_RCVMARK 75 + #if !defined(__KERNEL__) #if __BITS_PER_LONG == 64 || (defined(__x86_64__) && defined(__ILP32__)) |