diff options
| author | Willem de Bruijn <willemb@google.com> | 2014-08-05 04:11:46 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-08-06 01:35:54 +0200 |
| commit | b9f40e21ef4298650ab33e35740fa85bd57706d5 (patch) | |
| tree | 1d1904c9f89dc77eae767a8a8895698d644cff1a /net/core | |
| parent | net-timestamp: extend SCM_TIMESTAMPING ancillary data struct (diff) | |
| download | linux-b9f40e21ef4298650ab33e35740fa85bd57706d5.tar.xz linux-b9f40e21ef4298650ab33e35740fa85bd57706d5.zip | |
net-timestamp: move timestamp flags out of sk_flags
sk_flags is reaching its limit. New timestamping options will not fit.
Move all of them into a new field sk->sk_tsflags.
Added benefit is that this removes boilerplate code to convert between
SOF_TIMESTAMPING_.. and SOCK_TIMESTAMPING_.. in getsockopt/setsockopt.
SOCK_TIMESTAMPING_RX_SOFTWARE is also used to toggle the receive
timestamp logic (netstamp_needed). That can be simplified and this
last key removed, but will leave that for a separate patch.
Signed-off-by: Willem de Bruijn <willemb@google.com>
----
The u16 in sock can be moved into a 16-bit hole below sk_gso_max_segs,
though that scatters tstamp fields throughout the struct.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/sock.c | 25 |
1 files changed, 2 insertions, 23 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index a741163568fa..47c9377e14b9 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -848,22 +848,13 @@ set_rcvbuf: ret = -EINVAL; break; } - sock_valbool_flag(sk, SOCK_TIMESTAMPING_TX_HARDWARE, - val & SOF_TIMESTAMPING_TX_HARDWARE); - sock_valbool_flag(sk, SOCK_TIMESTAMPING_TX_SOFTWARE, - val & SOF_TIMESTAMPING_TX_SOFTWARE); - sock_valbool_flag(sk, SOCK_TIMESTAMPING_RX_HARDWARE, - val & SOF_TIMESTAMPING_RX_HARDWARE); + sk->sk_tsflags = val; if (val & SOF_TIMESTAMPING_RX_SOFTWARE) sock_enable_timestamp(sk, SOCK_TIMESTAMPING_RX_SOFTWARE); else sock_disable_timestamp(sk, (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE)); - sock_valbool_flag(sk, SOCK_TIMESTAMPING_SOFTWARE, - val & SOF_TIMESTAMPING_SOFTWARE); - sock_valbool_flag(sk, SOCK_TIMESTAMPING_RAW_HARDWARE, - val & SOF_TIMESTAMPING_RAW_HARDWARE); break; case SO_RCVLOWAT: @@ -1089,19 +1080,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname, break; case SO_TIMESTAMPING: - v.val = 0; - if (sock_flag(sk, SOCK_TIMESTAMPING_TX_HARDWARE)) - v.val |= SOF_TIMESTAMPING_TX_HARDWARE; - if (sock_flag(sk, SOCK_TIMESTAMPING_TX_SOFTWARE)) - v.val |= SOF_TIMESTAMPING_TX_SOFTWARE; - if (sock_flag(sk, SOCK_TIMESTAMPING_RX_HARDWARE)) - v.val |= SOF_TIMESTAMPING_RX_HARDWARE; - if (sock_flag(sk, SOCK_TIMESTAMPING_RX_SOFTWARE)) - v.val |= SOF_TIMESTAMPING_RX_SOFTWARE; - if (sock_flag(sk, SOCK_TIMESTAMPING_SOFTWARE)) - v.val |= SOF_TIMESTAMPING_SOFTWARE; - if (sock_flag(sk, SOCK_TIMESTAMPING_RAW_HARDWARE)) - v.val |= SOF_TIMESTAMPING_RAW_HARDWARE; + v.val = sk->sk_tsflags; break; case SO_RCVTIMEO: |