diff options
| author | Sjur Brændeland <sjur.brandeland@stericsson.com> | 2011-04-11 10:11:30 +0000 |
|---|---|---|
| committer | Henrik Aberg <henrik.aberg@stericsson.com> | 2011-05-18 09:40:05 +0200 |
| commit | cfa7948ae1aa6e7f320cc25b22bb79ab5fd84d84 (patch) | |
| tree | 7c3a76dfc0e4d900646b42df373f7f238dfcbd17 /net | |
| parent | 93e617a22a55fd0d61f7f13d4bfa2012c35b5a86 (diff) | |
caif: performance bugfix - allow radio stack to prioritize packets.
In the CAIF Payload message the Packet Type indication must be set to
UNCLASSIFIED in order to allow packet prioritization in the modem's
network stack. Otherwise TCP-Ack is not prioritized in the modems
transmit queue.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Change-Id: I2f8ae1a663a4e84a0e5b789698cd75ed28ae76d1
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/21521
Reviewed-by: Erwan BRACQ <erwan.bracq@stericsson.com>
Tested-by: Erwan BRACQ <erwan.bracq@stericsson.com>
Reviewed-by: QATEST
Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/caif/cfdgml.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/caif/cfdgml.c b/net/caif/cfdgml.c index d3ed264ad6c..6cb733ee434 100644 --- a/net/caif/cfdgml.c +++ b/net/caif/cfdgml.c @@ -13,6 +13,7 @@ #include <net/caif/cfsrvl.h> #include <net/caif/cfpkt.h> + #define container_obj(layr) ((struct cfsrvl *) layr) #define DGM_CMD_BIT 0x80 @@ -84,6 +85,7 @@ static int cfdgml_receive(struct cflayer *layr, struct cfpkt *pkt) static int cfdgml_transmit(struct cflayer *layr, struct cfpkt *pkt) { + u8 packet_type; u32 zero = 0; struct caif_payload_info *info; struct cfsrvl *service = container_obj(layr); @@ -95,7 +97,9 @@ static int cfdgml_transmit(struct cflayer *layr, struct cfpkt *pkt) if (cfpkt_getlen(pkt) > DGM_MTU) return -EMSGSIZE; - cfpkt_add_head(pkt, &zero, 4); + cfpkt_add_head(pkt, &zero, 3); + packet_type = 0x08; /* B9 set - UNCLASSIFIED */ + cfpkt_add_head(pkt, &packet_type, 1); /* Add info for MUX-layer to route the packet out. */ info = cfpkt_info(pkt); |