diff options
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/rx.c')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/rx.c | 102 |
1 files changed, 63 insertions, 39 deletions
diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c index d6a3c6b0782..e125974285c 100644 --- a/drivers/net/wireless/ti/wlcore/rx.c +++ b/drivers/net/wireless/ti/wlcore/rx.c @@ -92,11 +92,16 @@ static void wl1271_rx_status(struct wl1271 *wl, status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED | RX_FLAG_DECRYPTED; - if (unlikely(desc_err_code == WL1271_RX_DESC_MIC_FAIL)) { + if (unlikely(desc_err_code & WL1271_RX_DESC_MIC_FAIL)) { status->flag |= RX_FLAG_MMIC_ERROR; - wl1271_warning("Michael MIC error"); + wl1271_warning("Michael MIC error. Desc: 0x%x", + desc_err_code); } } + + if (beacon) + wlcore_set_pending_regdomain_ch(wl, (u16)desc->channel, + status->band); } static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, @@ -108,7 +113,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, u8 *buf; u8 beacon = 0; u8 is_data = 0; - u8 reserved = 0; + u8 reserved = 0, offset_to_data = 0; u16 seq_num; u32 pkt_data_len; @@ -127,7 +132,9 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, } if (rx_align == WLCORE_RX_BUF_UNALIGNED) - reserved = NET_IP_ALIGN; + reserved = RX_BUF_ALIGN; + else if (rx_align == WLCORE_RX_BUF_PADDED) + offset_to_data = RX_BUF_ALIGN; /* the data read starts with the descriptor */ desc = (struct wl1271_rx_descriptor *) data; @@ -139,19 +146,15 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, return 0; } - switch (desc->status & WL1271_RX_DESC_STATUS_MASK) { /* discard corrupted packets */ - case WL1271_RX_DESC_DRIVER_RX_Q_FAIL: - case WL1271_RX_DESC_DECRYPT_FAIL: - wl1271_warning("corrupted packet in RX with status: 0x%x", - desc->status & WL1271_RX_DESC_STATUS_MASK); - return -EINVAL; - case WL1271_RX_DESC_SUCCESS: - case WL1271_RX_DESC_MIC_FAIL: - break; - default: - wl1271_error("invalid RX descriptor status: 0x%x", - desc->status & WL1271_RX_DESC_STATUS_MASK); + if (desc->status & WL1271_RX_DESC_DECRYPT_FAIL) { + hdr = (void *)(data + sizeof(*desc) + offset_to_data); + wl1271_warning("corrupted packet in RX: status: 0x%x len: %d", + desc->status & WL1271_RX_DESC_STATUS_MASK, + pkt_data_len); + wl1271_dump((DEBUG_RX|DEBUG_CMD), "PKT: ", data + sizeof(*desc), + min(pkt_data_len, + ieee80211_hdrlen(hdr->frame_control))); return -EINVAL; } @@ -175,7 +178,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, */ memcpy(buf, data + sizeof(*desc), pkt_data_len); if (rx_align == WLCORE_RX_BUF_PADDED) - skb_pull(skb, NET_IP_ALIGN); + skb_pull(skb, RX_BUF_ALIGN); *hlid = desc->hlid; @@ -186,6 +189,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, is_data = 1; wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon); + wlcore_hw_set_rx_csum(wl, desc, skb); seq_num = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s seq %d hlid %d", skb, @@ -199,17 +203,18 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, return is_data; } -void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) +int wlcore_rx(struct wl1271 *wl, struct wl_fw_status *status) { - unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0}; + unsigned long active_hlids[BITS_TO_LONGS(WLCORE_MAX_LINKS)] = {0}; u32 buf_size; - u32 fw_rx_counter = status->fw_rx_counter & NUM_RX_PKT_DESC_MOD_MASK; - u32 drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK; + u32 fw_rx_counter = status->fw_rx_counter % wl->num_rx_desc; + u32 drv_rx_counter = wl->rx_counter % wl->num_rx_desc; u32 rx_counter; u32 pkt_len, align_pkt_len; u32 pkt_offset, des; u8 hlid; enum wl_rx_buf_align rx_align; + int ret = 0; while (drv_rx_counter != fw_rx_counter) { buf_size = 0; @@ -219,11 +224,11 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) pkt_len = wlcore_rx_get_buf_size(wl, des); align_pkt_len = wlcore_rx_get_align_buf_size(wl, pkt_len); - if (buf_size + align_pkt_len > WL1271_AGGR_BUFFER_SIZE) + if (buf_size + align_pkt_len > wl->aggr_buf_size) break; buf_size += align_pkt_len; rx_counter++; - rx_counter &= NUM_RX_PKT_DESC_MOD_MASK; + rx_counter %= wl->num_rx_desc; } if (buf_size == 0) { @@ -233,9 +238,14 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) /* Read all available packets at once */ des = le32_to_cpu(status->rx_pkt_descs[drv_rx_counter]); - wlcore_hw_prepare_read(wl, des, buf_size); - wlcore_read_data(wl, REG_SLV_MEM_DATA, wl->aggr_buf, - buf_size, true); + ret = wlcore_hw_prepare_read(wl, des, buf_size); + if (ret < 0) + goto out; + + ret = wlcore_read_data(wl, REG_SLV_MEM_DATA, wl->aggr_buf, + buf_size, true); + if (ret < 0) + goto out; /* Split data into separate packets */ pkt_offset = 0; @@ -253,17 +263,17 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) wl->aggr_buf + pkt_offset, pkt_len, rx_align, &hlid) == 1) { - if (hlid < WL12XX_MAX_LINKS) + if (hlid < wl->num_links) __set_bit(hlid, active_hlids); else WARN(1, - "hlid exceeded WL12XX_MAX_LINKS " - "(%d)\n", hlid); + "hlid (%d) exceeded MAX_LINKS\n", + hlid); } wl->rx_counter++; drv_rx_counter++; - drv_rx_counter &= NUM_RX_PKT_DESC_MOD_MASK; + drv_rx_counter %= wl->num_rx_desc; pkt_offset += wlcore_rx_get_align_buf_size(wl, pkt_len); } } @@ -272,11 +282,17 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) * Write the driver's packet counter to the FW. This is only required * for older hardware revisions */ - if (wl->quirks & WLCORE_QUIRK_END_OF_TRANSACTION) - wl1271_write32(wl, WL12XX_REG_RX_DRIVER_COUNTER, - wl->rx_counter); + if (wl->quirks & WLCORE_QUIRK_END_OF_TRANSACTION) { + ret = wlcore_write32(wl, WL12XX_REG_RX_DRIVER_COUNTER, + wl->rx_counter); + if (ret < 0) + goto out; + } wl12xx_rearm_rx_streaming(wl, active_hlids); + +out: + return ret; } #ifdef CONFIG_PM @@ -286,7 +302,7 @@ int wl1271_rx_filter_enable(struct wl1271 *wl, { int ret; - if (wl->rx_filter_enabled[index] == enable) { + if (!!test_bit(index, wl->rx_filter_enabled) == enable) { wl1271_warning("Request to enable an already " "enabled rx filter %d", index); return 0; @@ -300,19 +316,27 @@ int wl1271_rx_filter_enable(struct wl1271 *wl, return ret; } - wl->rx_filter_enabled[index] = enable; + if (enable) + __set_bit(index, wl->rx_filter_enabled); + else + __clear_bit(index, wl->rx_filter_enabled); return 0; } -void wl1271_rx_filter_clear_all(struct wl1271 *wl) +int wl1271_rx_filter_clear_all(struct wl1271 *wl) { - int i; + int i, ret = 0; for (i = 0; i < WL1271_MAX_RX_FILTERS; i++) { - if (!wl->rx_filter_enabled[i]) + if (!test_bit(i, wl->rx_filter_enabled)) continue; - wl1271_rx_filter_enable(wl, i, 0, NULL); + ret = wl1271_rx_filter_enable(wl, i, 0, NULL); + if (ret) + goto out; } + +out: + return ret; } #endif /* CONFIG_PM */ |
