diff options
| author | Neil Horman <nhorman@tuxdriver.com> | 2014-04-17 23:26:51 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-04-21 02:18:55 +0400 |
| commit | 8465a5fcd1ceba8f2b55121d47b73f4025401490 (patch) | |
| tree | 3e4d11d4a9452569be5e4a94a1d1cc8e90050408 /net/sctp/ulpqueue.c | |
| parent | 85da101f54bf40aecc258ab0c2e9e26f9d58a361 (diff) | |
| download | linux-8465a5fcd1ceba8f2b55121d47b73f4025401490.tar.xz | |
sctp: add support for busy polling to sctp protocol
The busy polling socket option adds support for sockets to busy wait on data
arriving on the napi queue from which they have most recently received a frame.
Currently only tcp and udp support this feature, but theres no reason sctp can't
do so as well. Add it in so appliations can take advantage of it
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Vlad Yasevich <vyasevich@gmail.com>
CC: "David S. Miller" <davem@davemloft.net>
CC: Daniel Borkmann <dborkman@redhat.com>
CC: netdev@vger.kernel.org
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/ulpqueue.c')
| -rw-r--r-- | net/sctp/ulpqueue.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/sctp/ulpqueue.c b/net/sctp/ulpqueue.c index 7144eb6a1b95..d49dc2ed30ad 100644 --- a/net/sctp/ulpqueue.c +++ b/net/sctp/ulpqueue.c @@ -38,6 +38,7 @@ #include <linux/types.h> #include <linux/skbuff.h> #include <net/sock.h> +#include <net/busy_poll.h> #include <net/sctp/structs.h> #include <net/sctp/sctp.h> #include <net/sctp/sm.h> @@ -204,6 +205,9 @@ int sctp_ulpq_tail_event(struct sctp_ulpq *ulpq, struct sctp_ulpevent *event) if (sock_flag(sk, SOCK_DEAD) || (sk->sk_shutdown & RCV_SHUTDOWN)) goto out_free; + if (!sctp_ulpevent_is_notification(event)) + sk_mark_napi_id(sk, skb); + /* Check if the user wishes to receive this event. */ if (!sctp_ulpevent_is_enabled(event, &sctp_sk(sk)->subscribe)) goto out_free; |