diff options
| author |   Arend van Spriel <arend@broadcom.com> | 2013-08-10 12:27:21 +0200 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2013-08-15 16:07:52 -0400 |
| commit | 87edd8916ee261cd8c49b736f156d602054bd9fd (patch) | |
| tree | 64ae8a0d805903d2a27bba175f7bd51881f1a3e1 /drivers/net/wireless/brcm80211/brcmfmac/dhd.h | |
| parent | brcmfmac: .txdata() bus callback should not call brcmf_txcomplete() (diff) | |
| download | linux-dev-87edd8916ee261cd8c49b736f156d602054bd9fd.tar.xz linux-dev-87edd8916ee261cd8c49b736f156d602054bd9fd.zip | |
brcmfmac: add AMPDU reordering functionality
This feature moves the responsibility of collecting all MPDUs in an
AMPDU session in the correct order from the firmware to the host
driver. This reduces buffer requirement on the firmware side.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd.h')
| -rw-r--r-- | drivers/net/wireless/brcm80211/brcmfmac/dhd.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h index 86cbfe2c7c6c..3943fb834179 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd.h +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd.h @@ -209,6 +209,8 @@ #define BRCMF_DCMD_MEDLEN 1536 #define BRCMF_DCMD_MAXLEN 8192 +#define BRCMF_AMPDU_RX_REORDER_MAXFLOWS 256 + /* Pattern matching filter. Specifies an offset within received packets to * start matching, the pattern to match, the size of the pattern, and a bitmask * that indicates which bits within the pattern should be matched. @@ -505,6 +507,25 @@ struct brcmf_dcmd { uint needed; /* bytes needed (optional) */ }; +/** + * struct brcmf_ampdu_rx_reorder - AMPDU receive reorder info + * + * @pktslots: dynamic allocated array for ordering AMPDU packets. + * @flow_id: AMPDU flow identifier. + * @cur_idx: last AMPDU index from firmware. + * @exp_idx: expected next AMPDU index. + * @max_idx: maximum amount of packets per AMPDU. + * @pend_pkts: number of packets currently in @pktslots. + */ +struct brcmf_ampdu_rx_reorder { + struct sk_buff **pktslots; + u8 flow_id; + u8 cur_idx; + u8 exp_idx; + u8 max_idx; + u8 pend_pkts; +}; + /* Forward decls for struct brcmf_pub (see below) */ struct brcmf_proto; /* device communication protocol info */ struct brcmf_cfg80211_dev; /* cfg80211 device info */ @@ -539,6 +560,9 @@ struct brcmf_pub { bool fw_signals; struct brcmf_fws_info *fws; spinlock_t fws_spinlock; + + struct brcmf_ampdu_rx_reorder + *reorder_flows[BRCMF_AMPDU_RX_REORDER_MAXFLOWS]; #ifdef DEBUG struct dentry *dbgfs_dir; #endif @@ -604,6 +628,9 @@ struct brcmf_if { wait_queue_head_t pend_8021x_wait; }; +struct brcmf_skb_reorder_data { + u8 *reorder; +}; extern int brcmf_netdev_wait_pend8021x(struct net_device *ndev); |