diff options
| author |   Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com> | 2012-04-12 08:27:24 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2012-04-13 11:37:36 -0400 |
| commit | 447648128ec22e294604674ffe1064aa3ec3b767 (patch) | |
| tree | 1dfb671203f989a8612704674bbe59c78cf27109 /net/caif/caif_socket.c | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-dev-447648128ec22e294604674ffe1064aa3ec3b767.tar.xz linux-dev-447648128ec22e294604674ffe1064aa3ec3b767.zip | |
caif: set traffic class for caif packets
Set traffic class for CAIF packets, based on socket
priority, CAIF protocol type, or type of message.
Traffic class mapping for different packet types:
- control: TC_PRIO_CONTROL;
- flow control: TC_PRIO_CONTROL;
- at: TC_PRIO_CONTROL;
- rfm: TC_PRIO_INTERACTIVE_BULK;
- other sockets: equals to socket's TC;
- network data: no change.
Signed-off-by: Dmitry Tarnyagin <dmitry.tarnyagin@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/caif/caif_socket.c')
| -rw-r--r-- | net/caif/caif_socket.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/net/caif/caif_socket.c b/net/caif/caif_socket.c index 5016fa57b623..ce47ee9f48c8 100644 --- a/net/caif/caif_socket.c +++ b/net/caif/caif_socket.c @@ -19,7 +19,7 @@ #include <linux/uaccess.h> #include <linux/debugfs.h> #include <linux/caif/caif_socket.h> -#include <linux/atomic.h> +#include <linux/pkt_sched.h> #include <net/sock.h> #include <net/tcp_states.h> #include <net/caif/caif_layer.h> @@ -505,6 +505,7 @@ static int transmit_skb(struct sk_buff *skb, struct caifsock *cf_sk, pkt = cfpkt_fromnative(CAIF_DIR_OUT, skb); memset(skb->cb, 0, sizeof(struct caif_payload_info)); + cfpkt_set_prio(pkt, cf_sk->sk.sk_priority); if (cf_sk->layer.dn == NULL) { kfree_skb(skb); @@ -1062,6 +1063,18 @@ static int caif_create(struct net *net, struct socket *sock, int protocol, /* Store the protocol */ sk->sk_protocol = (unsigned char) protocol; + /* Initialize default priority for well-known cases */ + switch (protocol) { + case CAIFPROTO_AT: + sk->sk_priority = TC_PRIO_CONTROL; + break; + case CAIFPROTO_RFM: + sk->sk_priority = TC_PRIO_INTERACTIVE_BULK; + break; + default: + sk->sk_priority = TC_PRIO_BESTEFFORT; + } + /* * Lock in order to try to stop someone from opening the socket * too early. @@ -1081,7 +1094,6 @@ static int caif_create(struct net *net, struct socket *sock, int protocol, set_rx_flow_on(cf_sk); /* Set default options on configuration */ - cf_sk->sk.sk_priority = CAIF_PRIO_NORMAL; cf_sk->conn_req.link_selector = CAIF_LINK_LOW_LATENCY; cf_sk->conn_req.protocol = protocol; release_sock(&cf_sk->sk); |