diff options
Diffstat (limited to 'sys/dev/ath/if_athvar.h')
| -rw-r--r-- | sys/dev/ath/if_athvar.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sys/dev/ath/if_athvar.h b/sys/dev/ath/if_athvar.h index 07ed8af..407e997 100644 --- a/sys/dev/ath/if_athvar.h +++ b/sys/dev/ath/if_athvar.h @@ -44,6 +44,14 @@ #define ATH_TIMEOUT 1000 /* + * There is a separate TX ath_buf pool for management frames. + * This ensures that management frames such as probe responses + * and BAR frames can be transmitted during periods of high + * TX activity. + */ +#define ATH_MGMT_TXBUF 32 + +/* * 802.11n requires more TX and RX buffers to do AMPDU. */ #ifdef ATH_ENABLE_11N @@ -172,6 +180,11 @@ struct ath_node { ((((x)%(mul)) >= ((mul)/2)) ? ((x) + ((mul) - 1)) / (mul) : (x)/(mul)) #define ATH_RSSI(x) ATH_EP_RND(x, HAL_RSSI_EP_MULTIPLIER) +typedef enum { + ATH_BUFTYPE_NORMAL = 0, + ATH_BUFTYPE_MGMT = 1, +} ath_buf_type_t; + struct ath_buf { TAILQ_ENTRY(ath_buf) bf_list; struct ath_buf * bf_next; /* next buffer in the aggregate */ @@ -243,6 +256,7 @@ struct ath_buf { }; typedef TAILQ_HEAD(ath_bufhead_s, ath_buf) ath_bufhead; +#define ATH_BUF_MGMT 0x00000001 /* (tx) desc is a mgmt desc */ #define ATH_BUF_BUSY 0x00000002 /* (tx) desc owned by h/w */ /* @@ -487,6 +501,8 @@ struct ath_softc { struct ath_descdma sc_txdma; /* TX descriptors */ ath_bufhead sc_txbuf; /* transmit buffer */ + struct ath_descdma sc_txdma_mgmt; /* mgmt TX descriptors */ + ath_bufhead sc_txbuf_mgmt; /* mgmt transmit buffer */ struct mtx sc_txbuflock; /* txbuf lock */ char sc_txname[12]; /* e.g. "ath0_buf" */ u_int sc_txqsetup; /* h/w queues setup */ |
