diff options
| author | Avinash Patil <patila@marvell.com> | 2013-01-04 09:21:32 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-01-08 00:18:30 +0400 |
| commit | e7f767a7d9f809c494bfffffeda2bbdbfec110b4 (patch) | |
| tree | 1f1e96d6d2c430b1cb841b5cefbd69133c28f7ce /drivers/net/wireless/mwifiex/pcie.h | |
| parent | fbd7e7ac6db3db8bccf3210d23b5a2a66471c538 (diff) | |
| download | linux-e7f767a7d9f809c494bfffffeda2bbdbfec110b4.tar.xz | |
mwifiex: use map/unmap APIs in TX and RX to reduce memcpy
This patch is an enhacement to mwifiex_pcie driver to use
map/unmap PCI memory APIs. This reduces one memcpy each in TX
path and RX path, and enhances throughput.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/pcie.h')
| -rw-r--r-- | drivers/net/wireless/mwifiex/pcie.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/pcie.h b/drivers/net/wireless/mwifiex/pcie.h index 24a39b32a222..37eeb2ca6b29 100644 --- a/drivers/net/wireless/mwifiex/pcie.h +++ b/drivers/net/wireless/mwifiex/pcie.h @@ -159,4 +159,15 @@ mwifiex_pcie_txbd_empty(struct pcie_service_card *card, u32 rdptr) return 0; } +static inline int +mwifiex_pcie_txbd_not_full(struct pcie_service_card *card) +{ + if (((card->txbd_wrptr & MWIFIEX_TXBD_MASK) != + (card->txbd_rdptr & MWIFIEX_TXBD_MASK)) || + ((card->txbd_wrptr & MWIFIEX_BD_FLAG_ROLLOVER_IND) != + (card->txbd_rdptr & MWIFIEX_BD_FLAG_ROLLOVER_IND))) + return 1; + + return 0; +} #endif /* _MWIFIEX_PCIE_H */ |