Commit cd3d39a6 authored by Sujith's avatar Sujith Committed by John W. Linville

ath9k: Use bitfields for buffer type

Signed-off-by: default avatarSujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 7dcfdcd9
......@@ -177,11 +177,6 @@ void ath_update_chainmask(struct ath_softc *sc, int is_ht);
/* Descriptor Management */
/*************************/
/* Number of descriptors per buffer. The only case where we see skbuff
chains is due to FF aggregation in the driver. */
#define ATH_TXDESC 1
/* if there's more fragment for this MSDU */
#define ATH_BF_MORE_MPDU 1
#define ATH_TXBUF_RESET(_bf) do { \
(_bf)->bf_status = 0; \
(_bf)->bf_lastbf = NULL; \
......@@ -191,28 +186,29 @@ chains is due to FF aggregation in the driver. */
sizeof(struct ath_buf_state)); \
} while (0)
enum buffer_type {
BUF_DATA = BIT(0),
BUF_AGGR = BIT(1),
BUF_AMPDU = BIT(2),
BUF_HT = BIT(3),
BUF_RETRY = BIT(4),
BUF_XRETRY = BIT(5),
BUF_SHORT_PREAMBLE = BIT(6),
BUF_BAR = BIT(7),
BUF_PSPOLL = BIT(8),
BUF_AGGR_BURST = BIT(9),
BUF_CALC_AIRTIME = BIT(10),
};
struct ath_buf_state {
int bfs_nframes; /* # frames in aggregate */
u16 bfs_al; /* length of aggregate */
u16 bfs_frmlen; /* length of frame */
int bfs_seqno; /* sequence number */
int bfs_tidno; /* tid of this frame */
int bfs_retries; /* current retries */
int bfs_nframes; /* # frames in aggregate */
u16 bfs_al; /* length of aggregate */
u16 bfs_frmlen; /* length of frame */
int bfs_seqno; /* sequence number */
int bfs_tidno; /* tid of this frame */
int bfs_retries; /* current retries */
struct ath_rc_series bfs_rcs[4]; /* rate series */
u8 bfs_isdata:1; /* is a data frame/aggregate */
u8 bfs_isaggr:1; /* is an aggregate */
u8 bfs_isampdu:1; /* is an a-mpdu, aggregate or not */
u8 bfs_ht:1; /* is an HT frame */
u8 bfs_isretried:1; /* is retried */
u8 bfs_isxretried:1; /* is excessive retried */
u8 bfs_shpreamble:1; /* is short preamble */
u8 bfs_isbar:1; /* is a BAR */
u8 bfs_ispspoll:1; /* is a PS-Poll */
u8 bfs_aggrburst:1; /* is a aggr burst */
u8 bfs_calcairtime:1; /* requests airtime be calculated
when set for tx frame */
int bfs_rifsburst_elem; /* RIFS burst/bar */
int bfs_nrifsubframes; /* # of elements in burst */
u32 bf_type; /* BUF_* (enum buffer_type) */
/* key type use to encrypt this frame */
enum ath9k_key_type bfs_keytype;
};
......@@ -224,26 +220,22 @@ struct ath_buf_state {
#define bf_seqno bf_state.bfs_seqno
#define bf_tidno bf_state.bfs_tidno
#define bf_rcs bf_state.bfs_rcs
#define bf_isdata bf_state.bfs_isdata
#define bf_isaggr bf_state.bfs_isaggr
#define bf_isampdu bf_state.bfs_isampdu
#define bf_ht bf_state.bfs_ht
#define bf_isretried bf_state.bfs_isretried
#define bf_isxretried bf_state.bfs_isxretried
#define bf_shpreamble bf_state.bfs_shpreamble
#define bf_rifsburst_elem bf_state.bfs_rifsburst_elem
#define bf_nrifsubframes bf_state.bfs_nrifsubframes
#define bf_keytype bf_state.bfs_keytype
#define bf_isbar bf_state.bfs_isbar
#define bf_ispspoll bf_state.bfs_ispspoll
#define bf_aggrburst bf_state.bfs_aggrburst
#define bf_calcairtime bf_state.bfs_calcairtime
#define bf_isdata(bf) (bf->bf_state.bf_type & BUF_DATA)
#define bf_isaggr(bf) (bf->bf_state.bf_type & BUF_AGGR)
#define bf_isampdu(bf) (bf->bf_state.bf_type & BUF_AMPDU)
#define bf_isht(bf) (bf->bf_state.bf_type & BUF_HT)
#define bf_isretried(bf) (bf->bf_state.bf_type & BUF_RETRY)
#define bf_isxretried(bf) (bf->bf_state.bf_type & BUF_XRETRY)
#define bf_isshpreamble(bf) (bf->bf_state.bf_type & BUF_SHORT_PREAMBLE)
#define bf_isbar(bf) (bf->bf_state.bf_type & BUF_BAR)
#define bf_ispspoll(bf) (bf->bf_state.bf_type & BUF_PSPOLL)
#define bf_isaggrburst(bf) (bf->bf_state.bf_type & BUF_AGGR_BURST)
/*
* Abstraction of a contiguous buffer to transmit/receive. There is only
* a single hw descriptor encapsulated here.
*/
struct ath_buf {
struct list_head list;
struct list_head *last;
......
This diff is collapsed.
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment