diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/debugfs.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/interrupt.c | 86 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/main.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/netdev.c | 35 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/pcie_bus.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/pm.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/rx_reorder.c | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/trace.h | 34 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.c | 53 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx_edma.c | 456 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/txrx_edma.h | 189 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wil6210.h | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wmi.c | 59 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wmi.h | 1 |
15 files changed, 939 insertions, 40 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 212baf46393a..8232fdd6ed09 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1919,6 +1919,7 @@ static const struct dbg_off dbg_wil_off[] = { WIL_FIELD(rx_status_ring_order, 0644, doff_u32), WIL_FIELD(tx_status_ring_order, 0644, doff_u32), WIL_FIELD(rx_buff_id_count, 0644, doff_u32), + WIL_FIELD(amsdu_en, 0644, doff_u8), {}, }; diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index 1603b9f7feb9..d7e112da6a8d 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -45,6 +45,7 @@ #define WIL6210_IMC_TX (BIT_DMA_EP_TX_ICR_TX_DONE | \ BIT_DMA_EP_TX_ICR_TX_DONE_N(0)) #define WIL6210_IMC_TX_EDMA BIT_TX_STATUS_IRQ +#define WIL6210_IMC_RX_EDMA BIT_RX_STATUS_IRQ #define WIL6210_IMC_MISC_NO_HALP (ISR_MISC_FW_READY | \ ISR_MISC_MBOX_EVT | \ ISR_MISC_FW_ERROR) @@ -100,6 +101,12 @@ static void wil6210_mask_irq_rx(struct wil6210_priv *wil) WIL6210_IRQ_DISABLE); } +static void wil6210_mask_irq_rx_edma(struct wil6210_priv *wil) +{ + wil_w(wil, RGF_INT_GEN_RX_ICR + offsetof(struct RGF_ICR, IMS), + WIL6210_IRQ_DISABLE); +} + static void wil6210_mask_irq_misc(struct wil6210_priv *wil, bool mask_halp) { wil_dbg_irq(wil, "mask_irq_misc: mask_halp(%s)\n", @@ -146,6 +153,12 @@ void wil6210_unmask_irq_rx(struct wil6210_priv *wil) unmask_rx_htrsh ? WIL6210_IMC_RX : WIL6210_IMC_RX_NO_RX_HTRSH); } +void wil6210_unmask_irq_rx_edma(struct wil6210_priv *wil) +{ + wil_w(wil, RGF_INT_GEN_RX_ICR + offsetof(struct RGF_ICR, IMC), + WIL6210_IMC_RX_EDMA); +} + static void wil6210_unmask_irq_misc(struct wil6210_priv *wil, bool unmask_halp) { wil_dbg_irq(wil, "unmask_irq_misc: unmask_halp(%s)\n", @@ -179,6 +192,7 @@ void wil_mask_irq(struct wil6210_priv *wil) wil6210_mask_irq_tx(wil); wil6210_mask_irq_tx_edma(wil); wil6210_mask_irq_rx(wil); + wil6210_mask_irq_rx_edma(wil); wil6210_mask_irq_misc(wil, true); wil6210_mask_irq_pseudo(wil); } @@ -195,10 +209,13 @@ void wil_unmask_irq(struct wil6210_priv *wil) WIL_ICR_ICC_MISC_VALUE); wil_w(wil, RGF_INT_GEN_TX_ICR + offsetof(struct RGF_ICR, ICC), WIL_ICR_ICC_VALUE); + wil_w(wil, RGF_INT_GEN_RX_ICR + offsetof(struct RGF_ICR, ICC), + WIL_ICR_ICC_VALUE); wil6210_unmask_irq_pseudo(wil); if (wil->use_enhanced_dma_hw) { wil6210_unmask_irq_tx_edma(wil); + wil6210_unmask_irq_rx_edma(wil); } else { wil6210_unmask_irq_tx(wil); wil6210_unmask_irq_rx(wil); @@ -335,6 +352,54 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie) return IRQ_HANDLED; } +static irqreturn_t wil6210_irq_rx_edma(int irq, void *cookie) +{ + struct wil6210_priv *wil = cookie; + u32 isr = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_INT_GEN_RX_ICR) + + offsetof(struct RGF_ICR, ICR)); + bool need_unmask = true; + + trace_wil6210_irq_rx(isr); + wil_dbg_irq(wil, "ISR RX 0x%08x\n", isr); + + if (unlikely(!isr)) { + wil_err(wil, "spurious IRQ: RX\n"); + return IRQ_NONE; + } + + wil6210_mask_irq_rx_edma(wil); + + if (likely(isr & BIT_RX_STATUS_IRQ)) { + wil_dbg_irq(wil, "RX status ring\n"); + isr &= ~BIT_RX_STATUS_IRQ; + if (likely(test_bit(wil_status_fwready, wil->status))) { + if (likely(test_bit(wil_status_napi_en, wil->status))) { + wil_dbg_txrx(wil, "NAPI(Rx) schedule\n"); + need_unmask = false; + napi_schedule(&wil->napi_rx); + } else { + wil_err(wil, + "Got Rx interrupt while stopping interface\n"); + } + } else { + wil_err(wil, "Got Rx interrupt while in reset\n"); + } + } + + if (unlikely(isr)) + wil_err(wil, "un-handled RX ISR bits 0x%08x\n", isr); + + /* Rx IRQ will be enabled when NAPI processing finished */ + + atomic_inc(&wil->isr_count_rx); + + if (unlikely(need_unmask)) + wil6210_unmask_irq_rx_edma(wil); + + return IRQ_HANDLED; +} + static irqreturn_t wil6210_irq_tx_edma(int irq, void *cookie) { struct wil6210_priv *wil = cookie; @@ -594,12 +659,20 @@ static irqreturn_t wil6210_thread_irq(int irq, void *cookie) */ static int wil6210_debug_irq_mask(struct wil6210_priv *wil, u32 pseudo_cause) { - u32 icm_rx = 0, icr_rx = 0, imv_rx = 0; + u32 icm_rx, icr_rx, imv_rx; u32 icm_tx, icr_tx, imv_tx; u32 icm_misc, icr_misc, imv_misc; if (!test_bit(wil_status_irqen, wil->status)) { if (wil->use_enhanced_dma_hw) { + icm_rx = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_INT_GEN_RX_ICR) + + offsetof(struct RGF_ICR, ICM)); + icr_rx = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_INT_GEN_RX_ICR) + + offsetof(struct RGF_ICR, ICR)); + imv_rx = wil_r(wil, RGF_INT_GEN_RX_ICR + + offsetof(struct RGF_ICR, IMV)); icm_tx = wil_ioread32_and_clear(wil->csr + HOSTADDR(RGF_INT_GEN_TX_ICR) + offsetof(struct RGF_ICR, ICM)); @@ -691,7 +764,7 @@ static irqreturn_t wil6210_hardirq(int irq, void *cookie) * voting for wake thread - need at least 1 vote */ if ((pseudo_cause & BIT_DMA_PSEUDO_CAUSE_RX) && - (wil6210_irq_rx(irq, cookie) == IRQ_WAKE_THREAD)) + (wil->txrx_ops.irq_rx(irq, cookie) == IRQ_WAKE_THREAD)) rc = IRQ_WAKE_THREAD; if ((pseudo_cause & BIT_DMA_PSEUDO_CAUSE_TX) && @@ -723,6 +796,8 @@ void wil6210_clear_irq(struct wil6210_priv *wil) offsetof(struct RGF_ICR, ICR)); wil_clear32(wil->csr + HOSTADDR(RGF_DMA_EP_TX_ICR) + offsetof(struct RGF_ICR, ICR)); + wil_clear32(wil->csr + HOSTADDR(RGF_INT_GEN_RX_ICR) + + offsetof(struct RGF_ICR, ICR)); wil_clear32(wil->csr + HOSTADDR(RGF_INT_GEN_TX_ICR) + offsetof(struct RGF_ICR, ICR)); wil_clear32(wil->csr + HOSTADDR(RGF_DMA_EP_MISC_ICR) + @@ -753,10 +828,13 @@ int wil6210_init_irq(struct wil6210_priv *wil, int irq, bool use_msi) wil_dbg_misc(wil, "init_irq: %s\n", use_msi ? "MSI" : "INTx"); - if (wil->use_enhanced_dma_hw) + if (wil->use_enhanced_dma_hw) { wil->txrx_ops.irq_tx = wil6210_irq_tx_edma; - else + wil->txrx_ops.irq_rx = wil6210_irq_rx_edma; + } else { wil->txrx_ops.irq_tx = wil6210_irq_tx; + wil->txrx_ops.irq_rx = wil6210_irq_rx; + } rc = request_threaded_irq(irq, wil6210_hardirq, wil6210_thread_irq, use_msi ? 0 : IRQF_SHARED, diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index c820c86918f0..e0072b6c7a44 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -632,6 +632,7 @@ int wil_priv_init(struct wil6210_priv *wil) /* edma configuration can be updated via debugfs before allocation */ wil->num_rx_status_rings = WIL_DEFAULT_NUM_RX_STATUS_RINGS; wil->use_compressed_rx_status = true; + wil->use_rx_hw_reordering = true; wil->tx_status_ring_order = WIL_TX_SRING_SIZE_ORDER_DEFAULT; /* Rx status ring size should be bigger than the number of RX buffers @@ -645,6 +646,8 @@ int wil_priv_init(struct wil6210_priv *wil) */ wil->rx_buff_id_count = WIL_RX_BUFF_ARR_SIZE_DEFAULT; + wil->amsdu_en = 1; + return 0; out_wmi_wq: diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c index eeda2b618e6e..7a78a06bd356 100644 --- a/drivers/net/wireless/ath/wil6210/netdev.c +++ b/drivers/net/wireless/ath/wil6210/netdev.c @@ -120,6 +120,27 @@ static int wil6210_netdev_poll_rx(struct napi_struct *napi, int budget) return done; } +static int wil6210_netdev_poll_rx_edma(struct napi_struct *napi, int budget) +{ + struct wil6210_priv *wil = container_of(napi, struct wil6210_priv, + napi_rx); + int quota = budget; + int done; + + wil_rx_handle_edma(wil, "a); + done = budget - quota; + + if (done < budget) { + napi_complete_done(napi, done); + wil6210_unmask_irq_rx_edma(wil); + wil_dbg_txrx(wil, "NAPI RX complete\n"); + } + + wil_dbg_txrx(wil, "NAPI RX poll(%d) done %d\n", budget, done); + + return done; +} + static int wil6210_netdev_poll_tx(struct napi_struct *napi, int budget) { struct wil6210_priv *wil = container_of(napi, struct wil6210_priv, @@ -442,17 +463,21 @@ int wil_if_add(struct wil6210_priv *wil) } init_dummy_netdev(&wil->napi_ndev); - netif_napi_add(&wil->napi_ndev, &wil->napi_rx, wil6210_netdev_poll_rx, - WIL6210_NAPI_BUDGET); - if (wil->use_enhanced_dma_hw) + if (wil->use_enhanced_dma_hw) { + netif_napi_add(&wil->napi_ndev, &wil->napi_rx, + wil6210_netdev_poll_rx_edma, + WIL6210_NAPI_BUDGET); netif_tx_napi_add(&wil->napi_ndev, &wil->napi_tx, wil6210_netdev_poll_tx_edma, WIL6210_NAPI_BUDGET); - else + } else { + netif_napi_add(&wil->napi_ndev, &wil->napi_rx, + wil6210_netdev_poll_rx, + WIL6210_NAPI_BUDGET); netif_tx_napi_add(&wil->napi_ndev, &wil->napi_tx, wil6210_netdev_poll_tx, WIL6210_NAPI_BUDGET); - + } wil_update_net_queues_bh(wil, vif, NULL, true); diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index c01c5348b7e0..8b148cb91372 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -103,6 +103,7 @@ int wil_set_capabilities(struct wil6210_priv *wil) wil->rgf_ucode_assert_code_addr = TALYN_RGF_UCODE_ASSERT_CODE; set_bit(hw_capa_no_flash, wil->hw_capa); wil->use_enhanced_dma_hw = true; + wil->use_rx_hw_reordering = true; break; default: wil_err(wil, "Unknown board hardware, chip_id 0x%08x, chip_revision 0x%08x\n", diff --git a/drivers/net/wireless/ath/wil6210/pm.c b/drivers/net/wireless/ath/wil6210/pm.c index ba81fb3ac96f..3a4194779ddf 100644 --- a/drivers/net/wireless/ath/wil6210/pm.c +++ b/drivers/net/wireless/ath/wil6210/pm.c @@ -211,7 +211,7 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil) goto reject_suspend; } - if (!wil_is_rx_idle(wil)) { + if (!wil->txrx_ops.is_rx_idle(wil)) { wil_dbg_pm(wil, "Pending RX data, reject suspend\n"); wil->suspend_stats.rejected_by_host++; goto reject_suspend; @@ -235,9 +235,9 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil) start = jiffies; data_comp_to = jiffies + msecs_to_jiffies(WIL_DATA_COMPLETION_TO_MS); if (test_bit(wil_status_napi_en, wil->status)) { - while (!wil_is_rx_idle(wil)) { + while (!wil->txrx_ops.is_rx_idle(wil)) { if (time_after(jiffies, data_comp_to)) { - if (wil_is_rx_idle(wil)) + if (wil->txrx_ops.is_rx_idle(wil)) break; wil_err(wil, "TO waiting for idle RX, suspend failed\n"); diff --git a/drivers/net/wireless/ath/wil6210/rx_reorder.c b/drivers/net/wireless/ath/wil6210/rx_reorder.c index a586929f72d4..22475a1ddb7f 100644 --- a/drivers/net/wireless/ath/wil6210/rx_reorder.c +++ b/drivers/net/wireless/ath/wil6210/rx_reorder.c @@ -95,17 +95,17 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) { struct wil6210_vif *vif; struct net_device *ndev; - struct vring_rx_desc *d = wil_skb_rxdesc(skb); - int tid = wil_rxdesc_tid(d); - int cid = wil_rxdesc_cid(d); - int mid = wil_rxdesc_mid(d); - u16 seq = wil_rxdesc_seq(d); - int mcast = wil_rxdesc_mcast(d); - struct wil_sta_info *sta = &wil->sta[cid]; + int tid, cid, mid, mcast; + u16 seq; + struct wil_sta_info *sta; struct wil_tid_ampdu_rx *r; u16 hseq; int index; + wil->txrx_ops.get_reorder_params(wil, skb, &tid, &cid, &mid, &seq, + &mcast); + sta = &wil->sta[cid]; + wil_dbg_txrx(wil, "MID %d CID %d TID %d Seq 0x%03x mcast %01x\n", mid, cid, tid, seq, mcast); @@ -315,7 +315,10 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) * bits 6..15: buffer size */ u16 req_agg_wsize = WIL_GET_BITS(param_set, 6, 15); - bool agg_amsdu = !!(param_set & BIT(0)); + bool agg_amsdu = wil->use_enhanced_dma_hw && + wil->use_rx_hw_reordering && + test_bit(WMI_FW_CAPABILITY_AMSDU, wil->fw_capabilities) && + wil->amsdu_en && (param_set & BIT(0)); int ba_policy = param_set & BIT(1); u16 status = WLAN_STATUS_SUCCESS; u16 ssn = seq_ctrl >> 4; @@ -360,8 +363,9 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) } } - rc = wmi_addba_rx_resp(wil, mid, cid, tid, dialog_token, status, - agg_amsdu, agg_wsize, agg_timeout); + rc = wil->txrx_ops.wmi_addba_rx_resp(wil, mid, cid, tid, dialog_token, + status, agg_amsdu, agg_wsize, + agg_timeout); if (rc || (status != WLAN_STATUS_SUCCESS)) { wil_err(wil, "do not apply ba, rc(%d), status(%d)\n", rc, status); diff --git a/drivers/net/wireless/ath/wil6210/trace.h b/drivers/net/wireless/ath/wil6210/trace.h index 6aed2461b0d4..853abc3a73e4 100644 --- a/drivers/net/wireless/ath/wil6210/trace.h +++ b/drivers/net/wireless/ath/wil6210/trace.h @@ -187,6 +187,40 @@ TRACE_EVENT(wil6210_rx, __entry->seq, __entry->type, __entry->subtype) ); +TRACE_EVENT(wil6210_rx_status, + TP_PROTO(struct wil6210_priv *wil, u8 use_compressed, u16 buff_id, + void *msg), + TP_ARGS(wil, use_compressed, buff_id, msg), + TP_STRUCT__entry(__field(u8, use_compressed) + __field(u16, buff_id) + __field(unsigned int, len) + __field(u8, mid) + __field(u8, cid) + __field(u8, tid) + __field(u8, type) + __field(u8, subtype) + __field(u16, seq) + __field(u8, mcs) + ), + TP_fast_assign(__entry->use_compressed = use_compressed; + __entry->buff_id = buff_id; + __entry->len = wil_rx_status_get_length(msg); + __entry->mid = wil_rx_status_get_mid(msg); + __entry->cid = wil_rx_status_get_cid(msg); + __entry->tid = wil_rx_status_get_tid(msg); + __entry->type = wil_rx_status_get_frame_type(wil, + msg); + __entry->subtype = wil_rx_status_get_fc1(wil, msg); + __entry->seq = wil_rx_status_get_seq(wil, msg); + __entry->mcs = wil_rx_status_get_mcs(msg); + ), + TP_printk( + "compressed %d buff_id %d len %d mid %d cid %d tid %d mcs %d seq 0x%03x type 0x%1x subtype 0x%1x", + __entry->use_compressed, __entry->buff_id, __entry->len, + __entry->mid, __entry->cid, __entry->tid, __entry->mcs, + __entry->seq, __entry->type, __entry->subtype) +); + TRACE_EVENT(wil6210_tx, TP_PROTO(u8 vring, u16 index, unsigned int len, u8 frags), TP_ARGS(vring, index, len, frags), diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 12d509e7f29c..2098f3cc1cec 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -28,6 +28,7 @@ #include "wmi.h" #include "txrx.h" #include "trace.h" +#include "txrx_edma.h" static bool rtap_include_phy_info; module_param(rtap_include_phy_info, bool, 0444); @@ -407,14 +408,7 @@ static void wil_rx_add_radiotap_header(struct wil6210_priv *wil, } } -/* similar to ieee80211_ version, but FC contain only 1-st byte */ -static inline int wil_is_back_req(u8 fc) -{ - return (fc & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - (IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); -} - -bool wil_is_rx_idle(struct wil6210_priv *wil) +static bool wil_is_rx_idle(struct wil6210_priv *wil) { struct vring_rx_desc *_d; struct wil_ring *ring = &wil->ring_rx; @@ -639,7 +633,7 @@ static int wil_rx_refill(struct wil6210_priv *wil, int count) * Cut'n'paste from original memcmp (see lib/string.c) * with minimal modifications */ -static int reverse_memcmp(const void *cs, const void *ct, size_t count) +int reverse_memcmp(const void *cs, const void *ct, size_t count) { const unsigned char *su1, *su2; int res = 0; @@ -684,6 +678,15 @@ static int wil_rx_crypto_check(struct wil6210_priv *wil, struct sk_buff *skb) return 0; } +static void wil_get_netif_rx_params(struct sk_buff *skb, int *cid, + int *security) +{ + struct vring_rx_desc *d = wil_skb_rxdesc(skb); + + *cid = wil_rxdesc_cid(d); /* always 0..7, no need to check */ + *security = wil_rxdesc_security(d); +} + /* * Pass Rx packet to the netif. Update statistics. * Called in softirq context (NAPI poll). @@ -695,15 +698,14 @@ void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) struct wil6210_priv *wil = ndev_to_wil(ndev); struct wireless_dev *wdev = vif_to_wdev(vif); unsigned int len = skb->len; - struct vring_rx_desc *d = wil_skb_rxdesc(skb); - int cid = wil_rxdesc_cid(d); /* always 0..7, no need to check */ - int security = wil_rxdesc_security(d); + int cid; + int security; struct ethhdr *eth = (void *)skb->data; /* here looking for DA, not A1, thus Rxdesc's 'mcast' indication * is not suitable, need to look at data */ int mcast = is_multicast_ether_addr(eth->h_dest); - struct wil_net_stats *stats = &wil->sta[cid].stats; + struct wil_net_stats *stats; struct sk_buff *xmit_skb = NULL; static const char * const gro_res_str[] = { [GRO_MERGED] = "GRO_MERGED", @@ -713,6 +715,10 @@ void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) [GRO_DROP] = "GRO_DROP", }; + wil->txrx_ops.get_netif_rx_params(skb, &cid, &security); + + stats = &wil->sta[cid].stats; + if (ndev->features & NETIF_F_RXHASH) /* fake L4 to ensure it won't be re-calculated later * set hash to any non-zero value to activate rps @@ -723,7 +729,7 @@ void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) skb_orphan(skb); - if (security && (wil_rx_crypto_check(wil, skb) != 0)) { + if (security && (wil->txrx_ops.rx_crypto_check(wil, skb) != 0)) { rc = GRO_DROP; dev_kfree_skb(skb); stats->rx_replay++; @@ -2172,6 +2178,19 @@ static inline int wil_tx_init(struct wil6210_priv *wil) static inline void wil_tx_fini(struct wil6210_priv *wil) {} +static void wil_get_reorder_params(struct wil6210_priv *wil, + struct sk_buff *skb, int *tid, int *cid, + int *mid, u16 *seq, int *mcast) +{ + struct vring_rx_desc *d = wil_skb_rxdesc(skb); + + *tid = wil_rxdesc_tid(d); + *cid = wil_rxdesc_cid(d); + *mid = wil_rxdesc_mid(d); + *seq = wil_rxdesc_seq(d); + *mcast = wil_rxdesc_mcast(d); +} + void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil) { wil->txrx_ops.configure_interrupt_moderation = @@ -2187,5 +2206,11 @@ void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil) wil->txrx_ops.tx_fini = wil_tx_fini; /* RX ops */ wil->txrx_ops.rx_init = wil_rx_init; + wil->txrx_ops.wmi_addba_rx_resp = wmi_addba_rx_resp; + wil->txrx_ops.get_reorder_params = wil_get_reorder_params; + wil->txrx_ops.get_netif_rx_params = + wil_get_netif_rx_params; + wil->txrx_ops.rx_crypto_check = wil_rx_crypto_check; + wil->txrx_ops.is_rx_idle = wil_is_rx_idle; wil->txrx_ops.rx_fini = wil_rx_fini; } diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h index 62806c5bb930..f361423628f5 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.h +++ b/drivers/net/wireless/ath/wil6210/txrx.h @@ -592,6 +592,13 @@ static inline int wil_get_min_tx_ring_id(struct wil6210_priv *wil) return wil->use_enhanced_dma_hw ? 1 : 0; } +/* similar to ieee80211_ version, but FC contain only 1-st byte */ +static inline int wil_is_back_req(u8 fc) +{ + return (fc & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == + (IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); +} + /* wil_val_in_range - check if value in [min,max) */ static inline bool wil_val_in_range(int val, int min, int max) { diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c index c449286823a9..95f38e65d969 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.c +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -208,6 +208,13 @@ static int wil_ring_alloc_skb_edma(struct wil6210_priv *wil, return 0; } +static inline +void wil_get_next_rx_status_msg(struct wil_status_ring *sring, void *msg) +{ + memcpy(msg, (void *)(sring->va + (sring->elem_size * sring->swhead)), + sring->elem_size); +} + static inline void wil_sring_advance_swhead(struct wil_status_ring *sring) { sring->swhead = (sring->swhead + 1) % sring->size; @@ -493,6 +500,96 @@ out_free: return rc; } +static void wil_get_reorder_params_edma(struct wil6210_priv *wil, + struct sk_buff *skb, int *tid, + int *cid, int *mid, u16 *seq, + int *mcast) +{ + struct wil_rx_status_extended *s = wil_skb_rxstatus(skb); + + *tid = wil_rx_status_get_tid(s); + *cid = wil_rx_status_get_cid(s); + *mid = wil_rx_status_get_mid(s); + *seq = le16_to_cpu(wil_rx_status_get_seq(wil, s)); + *mcast = wil_rx_status_get_mcast(s); +} + +static void wil_get_netif_rx_params_edma(struct sk_buff *skb, int *cid, + int *security) +{ + struct wil_rx_status_extended *s = wil_skb_rxstatus(skb); + + *cid = wil_rx_status_get_cid(s); + *security = wil_rx_status_get_security(s); +} + +static int wil_rx_crypto_check_edma(struct wil6210_priv *wil, + struct sk_buff *skb) +{ + struct wil_rx_status_extended *st; + int cid, tid, key_id, mc; + struct wil_sta_info *s; + struct wil_tid_crypto_rx *c; + struct wil_tid_crypto_rx_single *cc; + const u8 *pn; + + /* In HW reorder, HW is responsible for crypto check */ + if (wil->use_rx_hw_reordering) + return 0; + + st = wil_skb_rxstatus(skb); + + cid = wil_rx_status_get_cid(st); + tid = wil_rx_status_get_tid(st); + key_id = wil_rx_status_get_key_id(st); + mc = wil_rx_status_get_mcast(st); + s = &wil->sta[cid]; + c = mc ? &s->group_crypto_rx : &s->tid_crypto_rx[tid]; + cc = &c->key_id[key_id]; + pn = (u8 *)&st->ext.pn_15_0; + + if (!cc->key_set) { + wil_err_ratelimited(wil, + "Key missing. CID %d TID %d MCast %d KEY_ID %d\n", + cid, tid, mc, key_id); + return -EINVAL; + } + + if (reverse_memcmp(pn, cc->pn, IEEE80211_GCMP_PN_LEN) <= 0) { + wil_err_ratelimited(wil, + "Replay attack. CID %d TID %d MCast %d KEY_ID %d PN %6phN last %6phN\n", + cid, tid, mc, key_id, pn, cc->pn); + return -EINVAL; + } + memcpy(cc->pn, pn, IEEE80211_GCMP_PN_LEN); + + return 0; +} + +static bool wil_is_rx_idle_edma(struct wil6210_priv *wil) +{ + struct wil_status_ring *sring; + struct wil_rx_status_extended msg1; + void *msg = &msg1; + u8 dr_bit; + int i; + + for (i = 0; i < wil->num_rx_status_rings; i++) { + sring = &wil->srings[i]; + if (!sring->va) + continue; + + wil_get_next_rx_status_msg(sring, msg); + dr_bit = wil_rx_status_get_desc_rdy_bit(msg); + + /* Check if there are unhandled RX status messages */ + if (dr_bit == sring->desc_rdy_pol) + return false; + } + + return true; +} + static void wil_rx_buf_len_init_edma(struct wil6210_priv *wil) { wil->rx_buf_len = rx_large_buf ? @@ -510,6 +607,13 @@ static int wil_rx_init_edma(struct wil6210_priv *wil, u16 desc_ring_size) int i; u16 max_rx_pl_per_desc; + /* In SW reorder one must use extended status messages */ + if (wil->use_compressed_rx_status && !wil->use_rx_hw_reordering) { + wil_err(wil, + "compressed RX status cannot be used with SW reorder\n"); + return -EINVAL; + } + if (wil->rx_status_ring_order < WIL_SRING_SIZE_ORDER_MIN || wil->rx_status_ring_order > WIL_SRING_SIZE_ORDER_MAX) wil->rx_status_ring_order = WIL_RX_SRING_SIZE_ORDER_DEFAULT; @@ -634,6 +738,353 @@ static int wil_ring_init_tx_edma(struct wil6210_vif *vif, int ring_id, return rc; } +/* This function is used only for RX SW reorder */ +static int wil_check_bar(struct wil6210_priv *wil, void *msg, int cid, + struct sk_buff *skb, struct wil_net_stats *stats) +{ + u8 ftype; + u8 fc1; + int mid; + int tid; + u16 seq; + struct wil6210_vif *vif; + + ftype = wil_rx_status_get_frame_type(wil, msg); + if (ftype == IEEE80211_FTYPE_DATA) + return 0; + + fc1 = wil_rx_status_get_fc1(wil, msg); + mid = wil_rx_status_get_mid(msg); + tid = wil_rx_status_get_tid(msg); + seq = le16_to_cpu(wil_rx_status_get_seq(wil, msg)); + vif = wil->vifs[mid]; + + if (unlikely(!vif)) { + wil_dbg_txrx(wil, "RX descriptor with invalid mid %d", mid); + return -EAGAIN; + } + + wil_dbg_txrx(wil, + "Non-data frame FC[7:0] 0x%02x MID %d CID %d TID %d Seq 0x%03x\n", + fc1, mid, cid, tid, seq); + if (stats) + stats->rx_non_data_frame++; + if (wil_is_back_req(fc1)) { + wil_dbg_txrx(wil, + "BAR: MID %d CID %d TID %d Seq 0x%03x\n", + mid, cid, tid, seq); + wil_rx_bar(wil, vif, cid, tid, seq); + } else { + u32 sz = wil->use_compressed_rx_status ? + sizeof(struct wil_rx_status_compressed) : + sizeof(struct wil_rx_status_extended); + + /* print again all info. One can enable only this + * without overhead for printing every Rx frame + */ + wil_dbg_txrx(wil, + "Unhandled non-data frame FC[7:0] 0x%02x MID %d CID %d TID %d Seq 0x%03x\n", + fc1, mid, cid, tid, seq); + wil_hex_dump_txrx("RxS ", DUMP_PREFIX_NONE, 32, 4, + (const void *)msg, sz, false); + wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1, + skb->data, skb_headlen(skb), false); + } + + return -EAGAIN; +} + +static int wil_rx_edma_check_errors(struct wil6210_priv *wil, void *msg, + struct wil_net_stats *stats, + struct sk_buff *skb) +{ + int error; + int l2_rx_status; + int l3_rx_status; + int l4_rx_status; + + error = wil_rx_status_get_error(msg); + if (!error) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + return 0; + } + + l2_rx_status = wil_rx_status_get_l2_rx_status(msg); + if (l2_rx_status != 0) { + wil_dbg_txrx(wil, "L2 RX error, l2_rx_status=0x%x\n", + l2_rx_status); + /* Due to HW issue, KEY error will trigger a MIC error */ + if (l2_rx_status & WIL_RX_EDMA_ERROR_MIC) { + wil_dbg_txrx(wil, + "L2 MIC/KEY error, dropping packet\n"); + stats->rx_mic_error++; + } + if (l2_rx_status & WIL_RX_EDMA_ERROR_KEY) { + wil_dbg_txrx(wil, "L2 KEY error, dropping packet\n"); + stats->rx_key_error++; + } + if (l2_rx_status & WIL_RX_EDMA_ERROR_REPLAY) { + wil_dbg_txrx(wil, + "L2 REPLAY error, dropping packet\n"); + stats->rx_replay++; + } + if (l2_rx_status & WIL_RX_EDMA_ERROR_AMSDU) { + wil_dbg_txrx(wil, + "L2 AMSDU error, dropping packet\n"); + stats->rx_amsdu_error++; + } + return -EFAULT; + } + + l3_rx_status = wil_rx_status_get_l3_rx_status(msg); + l4_rx_status = wil_rx_status_get_l4_rx_status(msg); + if (!l3_rx_status && !l4_rx_status) + skb->ip_summed = CHECKSUM_UNNECESSARY; + /* If HW reports bad checksum, let IP stack re-check it + * For example, HW don't understand Microsoft IP stack that + * mis-calculates TCP checksum - if it should be 0x0, + * it writes 0xffff in violation of RFC 1624 + */ + + return 0; +} + +static struct sk_buff *wil_sring_reap_rx_edma(struct wil6210_priv *wil, + struct wil_status_ring *sring) +{ + struct device *dev = wil_to_dev(wil); + struct wil_rx_status_extended msg1; + void *msg = &msg1; + u16 buff_id; + struct sk_buff *skb; + dma_addr_t pa; + struct wil_ring_rx_data *rxdata = &sring->rx_data; + unsigned int sz = wil->rx_buf_len + ETH_HLEN + + WIL_EDMA_MAX_DATA_OFFSET; + struct wil_net_stats *stats = NULL; + u16 dmalen; + int cid; + int rc; + bool eop, headstolen; + int delta; + u8 dr_bit; + u8 data_offset; + struct wil_rx_status_extended *s; + u16 sring_idx = sring - wil->srings; + + BUILD_BUG_ON(sizeof(struct wil_rx_status_extended) > sizeof(skb->cb)); + +again: + wil_get_next_rx_status_msg(sring, msg); + dr_bit = wil_rx_status_get_desc_rdy_bit(msg); + + /* Completed handling all the ready status messages */ + if (dr_bit != sring->desc_rdy_pol) + return NULL; + + /* Extract the buffer ID from the status message */ + buff_id = le16_to_cpu(wil_rx_status_get_buff_id(msg)); + if (unlikely(!wil_val_in_range(buff_id, 0, wil->rx_buff_mgmt.size))) { + wil_err(wil, "Corrupt buff_id=%d, sring->swhead=%d\n", + buff_id, sring->swhead); + wil_sring_advance_swhead(sring); + goto again; + } + + wil_sring_advance_swhead(sring); + + /* Extract the SKB from the rx_buff management array */ + skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb; + wil->rx_buff_mgmt.buff_arr[buff_id].skb = NULL; + if (!skb) { + wil_err(wil, "No Rx skb at buff_id %d\n", buff_id); + goto again; + } + + memcpy(&pa, skb->cb, sizeof(pa)); + dma_unmap_single(dev, pa, sz, DMA_FROM_DEVICE); + dmalen = le16_to_cpu(wil_rx_status_get_length(msg)); + + trace_wil6210_rx_status(wil, wil->use_compressed_rx_status, buff_id, + msg); + wil_dbg_txrx(wil, "Rx, buff_id=%u, sring_idx=%u, dmalen=%u bytes\n", + buff_id, sring_idx, dmalen); + wil_hex_dump_txrx("RxS ", DUMP_PREFIX_NONE, 32, 4, + (const void *)msg, wil->use_compressed_rx_status ? + sizeof(struct wil_rx_status_compressed) : + sizeof(struct wil_rx_status_extended), false); + + /* Move the buffer from the active list to the free list */ + list_move(&wil->rx_buff_mgmt.buff_arr[buff_id].list, + &wil->rx_buff_mgmt.free); + + eop = wil_rx_status_get_eop(msg); + + cid = wil_rx_status_get_cid(msg); + if (unlikely(!wil_val_in_range(cid, 0, WIL6210_MAX_CID))) { + wil_err(wil, "Corrupt cid=%d, sring->swhead=%d\n", + cid, sring->swhead); + rxdata->skipping = true; + goto skipping; + } + stats = &wil->sta[cid].stats; + + if (unlikely(skb->len < ETH_HLEN)) { + wil_dbg_txrx(wil, "Short frame, len = %d\n", skb->len); + stats->rx_short_frame++; + rxdata->skipping = true; + goto skipping; + } + + /* Check and treat errors reported by HW */ + rc = wil_rx_edma_check_errors(wil, msg, stats, skb); + if (rc) { + rxdata->skipping = true; + goto skipping; + } + + if (unlikely(dmalen > sz)) { + wil_err(wil, "Rx size too large: %d bytes!\n", dmalen); + stats->rx_large_frame++; + rxdata->skipping = true; + } + +skipping: + /* skipping indicates if a certain SKB should be dropped. + * It is set in case there is an error on the current SKB or in case + * of RX chaining: as long as we manage to merge the SKBs it will + * be false. once we have a bad SKB or we don't manage to merge SKBs + * it will be set to the !EOP value of the current SKB. + * This guarantees that all the following SKBs until EOP will also + * get dropped. + */ + if (unlikely(rxdata->skipping)) { + kfree_skb(skb); + if (rxdata->skb) { + kfree_skb(rxdata->skb); + rxdata->skb = NULL; + } + rxdata->skipping = !eop; + goto again; + } + + skb_trim(skb, dmalen); + + prefetch(skb->data); + + if (!rxdata->skb) { + rxdata->skb = skb; + } else { + if (likely(skb_try_coalesce(rxdata->skb, skb, &headstolen, + &delta))) { + kfree_skb_partial(skb, headstolen); + } else { + wil_err(wil, "failed to merge skbs!\n"); + kfree_skb(skb); + kfree_skb(rxdata->skb); + rxdata->skb = NULL; + rxdata->skipping = !eop; + goto again; + } + } + + if (!eop) + goto again; + + /* reaching here rxdata->skb always contains a full packet */ + skb = rxdata->skb; + rxdata->skb = NULL; + rxdata->skipping = false; + + if (stats) { + stats->last_mcs_rx = wil_rx_status_get_mcs(msg); + if (stats->last_mcs_rx < ARRAY_SIZE(stats->rx_per_mcs)) + stats->rx_per_mcs[stats->last_mcs_rx]++; + } + + if (!wil->use_rx_hw_reordering && !wil->use_compressed_rx_status && + wil_check_bar(wil, msg, cid, skb, stats) == -EAGAIN) { + kfree_skb(skb); + goto again; + } + + /* Compensate for the HW data alignment according to the status + * message + */ + data_offset = wil_rx_status_get_data_offset(msg); + if (data_offset == 0xFF || + data_offset > WIL_EDMA_MAX_DATA_OFFSET) { + wil_err(wil, "Unexpected data offset %d\n", data_offset); + kfree_skb(skb); + goto again; + } + + skb_pull(skb, data_offset); + + wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1, + skb->data, skb_headlen(skb), false); + + /* Has to be done after dma_unmap_single as skb->cb is also + * used for holding the pa + */ + s = wil_skb_rxstatus(skb); + memcpy(s, msg, sring->elem_size); + + return skb; +} + +void wil_rx_handle_edma(struct wil6210_priv *wil, int *quota) +{ + struct net_device *ndev; + struct wil_ring *ring = &wil->ring_rx; + struct wil_status_ring *sring; + struct sk_buff *skb; + int i; + + if (unlikely(!ring->va)) { + wil_err(wil, "Rx IRQ while Rx not yet initialized\n"); + return; + } + wil_dbg_txrx(wil, "rx_handle\n"); + + for (i = 0; i < wil->num_rx_status_rings; i++) { + sring = &wil->srings[i]; + if (unlikely(!sring->va)) { + wil_err(wil, + "Rx IRQ while Rx status ring %d not yet initialized\n", + i); + continue; + } + + while ((*quota > 0) && + (NULL != (skb = + wil_sring_reap_rx_edma(wil, sring)))) { + (*quota)--; + if (wil->use_rx_hw_reordering) { + void *msg = wil_skb_rxstatus(skb); + int mid = wil_rx_status_get_mid(msg); + struct wil6210_vif *vif = wil->vifs[mid]; + + if (unlikely(!vif)) { + wil_dbg_txrx(wil, + "RX desc invalid mid %d", + mid); + kfree_skb(skb); + continue; + } + ndev = vif_to_ndev(vif); + wil_netif_rx_any(skb, ndev); + } else { + wil_rx_reorder(wil, skb); + } + } + + wil_w(wil, sring->hwtail, (sring->swhead - 1) % sring->size); + } + + wil_rx_refill_edma(wil); +} + static int wil_tx_desc_map_edma(union wil_tx_desc *desc, dma_addr_t pa, u32 len, @@ -1137,6 +1588,11 @@ void wil_init_txrx_ops_edma(struct wil6210_priv *wil) wil->txrx_ops.tx_ring_tso = __wil_tx_ring_tso_edma; /* RX ops */ wil->txrx_ops.rx_init = wil_rx_init_edma; + wil->txrx_ops.wmi_addba_rx_resp = wmi_addba_rx_resp_edma; + wil->txrx_ops.get_reorder_params = wil_get_reorder_params_edma; + wil->txrx_ops.get_netif_rx_params = wil_get_netif_rx_params_edma; + wil->txrx_ops.rx_crypto_check = wil_rx_crypto_check_edma; + wil->txrx_ops.is_rx_idle = wil_is_rx_idle_edma; wil->txrx_ops.rx_fini = wil_rx_fini_edma; } diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.h b/drivers/net/wireless/ath/wil6210/txrx_edma.h index 8eae181877b9..e86fc2dc0ce0 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.h +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.h @@ -38,6 +38,27 @@ #define WIL_EDMA_IDLE_TIME_LIMIT_USEC (50) #define WIL_EDMA_TIME_UNIT_CLK_CYCLES (330) /* fits 1 usec */ +/* Error field */ +#define WIL_RX_EDMA_ERROR_MIC (1) +#define WIL_RX_EDMA_ERROR_KEY (2) /* Key missing */ +#define WIL_RX_EDMA_ERROR_REPLAY (3) +#define WIL_RX_EDMA_ERROR_AMSDU (4) +#define WIL_RX_EDMA_ERROR_FCS (7) + +#define WIL_RX_EDMA_ERROR_L3_ERR (BIT(0) | BIT(1)) +#define WIL_RX_EDMA_ERROR_L4_ERR (BIT(0) | BIT(1)) + +#define WIL_RX_EDMA_DLPF_LU_MISS_BIT BIT(11) +#define WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK 0x7 +#define WIL_RX_EDMA_DLPF_LU_HIT_CID_TID_MASK 0xf + +#define WIL_RX_EDMA_DLPF_LU_MISS_CID_POS 2 +#define WIL_RX_EDMA_DLPF_LU_HIT_CID_POS 4 + +#define WIL_RX_EDMA_DLPF_LU_MISS_TID_POS 5 + +#define WIL_RX_EDMA_MID_VALID_BIT BIT(22) + #define WIL_EDMA_DESC_TX_MAC_CFG_0_QID_POS 16 #define WIL_EDMA_DESC_TX_MAC_CFG_0_QID_LEN 6 @@ -329,6 +350,173 @@ struct wil_rx_status_extended { struct wil_rx_status_extension ext; } __packed; +static inline void *wil_skb_rxstatus(struct sk_buff *skb) +{ + return (void *)skb->cb; +} + +static inline __le16 wil_rx_status_get_length(void *msg) +{ + return ((struct wil_rx_status_compressed *)msg)->length; +} + +static inline u8 wil_rx_status_get_mcs(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, + 16, 21); +} + +static inline u16 wil_rx_status_get_flow_id(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 8, 19); +} + +static inline u8 wil_rx_status_get_mcast(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 26, 26); +} + +/** + * In case of DLPF miss the parsing of flow Id should be as follows: + * dest_id:2 + * src_id :3 - cid + * tid:3 + * Otherwise: + * tid:4 + * cid:4 + */ + +static inline u8 wil_rx_status_get_cid(void *msg) +{ + u16 val = wil_rx_status_get_flow_id(msg); + + if (val & WIL_RX_EDMA_DLPF_LU_MISS_BIT) + /* CID is in bits 2..4 */ + return (val >> WIL_RX_EDMA_DLPF_LU_MISS_CID_POS) & + WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; + else + /* CID is in bits 4..7 */ + return (val >> WIL_RX_EDMA_DLPF_LU_HIT_CID_POS) & + WIL_RX_EDMA_DLPF_LU_HIT_CID_TID_MASK; +} + +static inline u8 wil_rx_status_get_tid(void *msg) +{ + u16 val = wil_rx_status_get_flow_id(msg); + + if (val & WIL_RX_EDMA_DLPF_LU_MISS_BIT) + /* TID is in bits 5..7 */ + return (val >> WIL_RX_EDMA_DLPF_LU_MISS_TID_POS) & + WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; + else + /* TID is in bits 0..3 */ + return val & WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; +} + +static inline int wil_rx_status_get_desc_rdy_bit(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 31, 31); +} + +static inline int wil_rx_status_get_eop(void *msg) /* EoP = End of Packet */ +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 30, 30); +} + +static inline __le16 wil_rx_status_get_buff_id(void *msg) +{ + return ((struct wil_rx_status_compressed *)msg)->buff_id; +} + +static inline u8 wil_rx_status_get_data_offset(void *msg) +{ + u8 val = WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, + 24, 27); + + switch (val) { + case 0: return 0; + case 3: return 2; + default: return 0xFF; + } +} + +static inline int wil_rx_status_get_frame_type(struct wil6210_priv *wil, + void *msg) +{ + if (wil->use_compressed_rx_status) + return IEEE80211_FTYPE_DATA; + + return WIL_GET_BITS(((struct wil_rx_status_extended *)msg)->ext.d1, + 0, 1) << 2; +} + +static inline int wil_rx_status_get_fc1(struct wil6210_priv *wil, void *msg) +{ + if (wil->use_compressed_rx_status) + return 0; + + return WIL_GET_BITS(((struct wil_rx_status_extended *)msg)->ext.d1, + 0, 5) << 2; +} + +static inline __le16 wil_rx_status_get_seq(struct wil6210_priv *wil, void *msg) +{ + if (wil->use_compressed_rx_status) + return 0; + + return ((struct wil_rx_status_extended *)msg)->ext.seq_num; +} + +static inline int wil_rx_status_get_mid(void *msg) +{ + if (!(((struct wil_rx_status_compressed *)msg)->d0 & + WIL_RX_EDMA_MID_VALID_BIT)) + return 0; /* use the default MID */ + + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 20, 21); +} + +static inline int wil_rx_status_get_error(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 29, 29); +} + +static inline int wil_rx_status_get_l2_rx_status(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 0, 2); +} + +static inline int wil_rx_status_get_l3_rx_status(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 3, 4); +} + +static inline int wil_rx_status_get_l4_rx_status(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 5, 6); +} + +static inline int wil_rx_status_get_security(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 28, 28); +} + +static inline u8 wil_rx_status_get_key_id(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, + 31, 31); +} + static inline u8 wil_tx_status_get_mcs(struct wil_ring_tx_status *msg) { return WIL_GET_BITS(msg->d2, 0, 4); @@ -367,6 +555,7 @@ dma_addr_t wil_rx_desc_get_addr_edma(struct wil_ring_rx_enhanced_dma *dma) void wil_configure_interrupt_moderation_edma(struct wil6210_priv *wil); int wil_tx_sring_handler(struct wil6210_priv *wil, struct wil_status_ring *sring); +void wil_rx_handle_edma(struct wil6210_priv *wil, int *quota); void wil_init_txrx_ops_edma(struct wil6210_priv *wil); #endif /* WIL6210_TXRX_EDMA_H */ diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index f35c64e1ca22..f8d4a2d88d91 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -323,9 +323,13 @@ struct RGF_ICR { #define BIT_CONTROL_0 BIT(0) /* eDMA status interrupts */ +#define RGF_INT_GEN_RX_ICR (0x8bc0f4) + #define BIT_RX_STATUS_IRQ BIT(WIL_RX_STATUS_IRQ_IDX) #define RGF_INT_GEN_TX_ICR (0x8bc110) #define BIT_TX_STATUS_IRQ BIT(WIL_TX_STATUS_IRQ_IDX) +#define RGF_INT_CTRL_RX_INT_MASK (0x8bc12c) #define RGF_INT_CTRL_TX_INT_MASK (0x8bc130) + #define RGF_INT_GEN_IDLE_TIME_LIMIT (0x8bc134) #define USER_EXT_USER_PMU_3 (0x88d00c) @@ -557,6 +561,17 @@ struct wil_txrx_ops { /* RX ops */ int (*rx_init)(struct wil6210_priv *wil, u16 ring_size); void (*rx_fini)(struct wil6210_priv *wil); + int (*wmi_addba_rx_resp)(struct wil6210_priv *wil, u8 mid, u8 cid, + u8 tid, u8 token, u16 status, bool amsdu, + u16 agg_wsize, u16 timeout); + void (*get_reorder_params)(struct wil6210_priv *wil, + struct sk_buff *skb, int *tid, int *cid, + int *mid, u16 *seq, int *mcast); + void (*get_netif_rx_params)(struct sk_buff *skb, + int *cid, int *security); + int (*rx_crypto_check)(struct wil6210_priv *wil, struct sk_buff *skb); + bool (*is_rx_idle)(struct wil6210_priv *wil); + irqreturn_t (*irq_rx)(int irq, void *cookie); }; /** @@ -952,6 +967,8 @@ struct wil6210_priv { u32 rx_status_ring_order; u32 tx_status_ring_order; u32 rx_buff_id_count; + bool amsdu_en; + bool use_rx_hw_reordering; }; #define wil_to_wiphy(i) (i->wiphy) @@ -1245,6 +1262,7 @@ void wil6210_unmask_irq_tx_edma(struct wil6210_priv *wil); /* RX API */ void wil_rx_handle(struct wil6210_priv *wil, int *quota); void wil6210_unmask_irq_rx(struct wil6210_priv *wil); +void wil6210_unmask_irq_rx_edma(struct wil6210_priv *wil); int wil_iftype_nl2wmi(enum nl80211_iftype type); @@ -1265,7 +1283,6 @@ bool wil_is_wmi_idle(struct wil6210_priv *wil); int wmi_resume(struct wil6210_priv *wil); int wmi_suspend(struct wil6210_priv *wil); bool wil_is_tx_idle(struct wil6210_priv *wil); -bool wil_is_rx_idle(struct wil6210_priv *wil); int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size); void wil_fw_core_dump(struct wil6210_priv *wil); @@ -1280,6 +1297,8 @@ int wmi_start_sched_scan(struct wil6210_priv *wil, int wmi_stop_sched_scan(struct wil6210_priv *wil); int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len); +int reverse_memcmp(const void *cs, const void *ct, size_t count); + /* WMI for enhanced DMA */ int wil_wmi_tx_sring_cfg(struct wil6210_priv *wil, int ring_id); int wil_wmi_cfg_def_rx_offload(struct wil6210_priv *wil, @@ -1289,5 +1308,8 @@ int wil_wmi_rx_desc_ring_add(struct wil6210_priv *wil, int status_ring_id); int wil_wmi_tx_desc_ring_add(struct wil6210_vif *vif, int ring_id, int cid, int tid); int wil_wmi_bcast_desc_ring_add(struct wil6210_vif *vif, int ring_id); +int wmi_addba_rx_resp_edma(struct wil6210_priv *wil, u8 mid, u8 cid, + u8 tid, u8 token, u16 status, bool amsdu, + u16 agg_wsize, u16 timeout); #endif /* __WIL6210_H__ */ diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index b2e966df57f5..0370b7e8dbb1 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -428,6 +428,8 @@ static const char *cmdid2name(u16 cmdid) return "WMI_RCP_DELBA_CMD"; case WMI_RCP_ADDBA_RESP_CMDID: return "WMI_RCP_ADDBA_RESP_CMD"; + case WMI_RCP_ADDBA_RESP_EDMA_CMDID: + return "WMI_RCP_ADDBA_RESP_EDMA_CMD"; case WMI_PS_DEV_PROFILE_CFG_CMDID: return "WMI_PS_DEV_PROFILE_CFG_CMD"; case WMI_SET_MGMT_RETRY_LIMIT_CMDID: @@ -2140,15 +2142,18 @@ int wmi_disconnect_sta(struct wil6210_vif *vif, const u8 *mac, int wmi_addba(struct wil6210_priv *wil, u8 mid, u8 ringid, u8 size, u16 timeout) { + u8 amsdu = wil->use_enhanced_dma_hw && wil->use_rx_hw_reordering && + test_bit(WMI_FW_CAPABILITY_AMSDU, wil->fw_capabilities) && + wil->amsdu_en; struct wmi_ring_ba_en_cmd cmd = { .ring_id = ringid, .agg_max_wsize = size, .ba_timeout = cpu_to_le16(timeout), - .amsdu = 0, + .amsdu = amsdu, }; - wil_dbg_wmi(wil, "addba: (ring %d size %d timeout %d)\n", ringid, size, - timeout); + wil_dbg_wmi(wil, "addba: (ring %d size %d timeout %d amsdu %d)\n", + ringid, size, timeout, amsdu); return wmi_send(wil, WMI_RING_BA_EN_CMDID, mid, &cmd, sizeof(cmd)); } @@ -2223,6 +2228,54 @@ int wmi_addba_rx_resp(struct wil6210_priv *wil, return rc; } +int wmi_addba_rx_resp_edma(struct wil6210_priv *wil, u8 mid, u8 cid, u8 tid, + u8 token, u16 status, bool amsdu, u16 agg_wsize, + u16 timeout) +{ + int rc; + struct wmi_rcp_addba_resp_edma_cmd cmd = { + .cid = cid, + .tid = tid, + .dialog_token = token, + .status_code = cpu_to_le16(status), + /* bit 0: A-MSDU supported + * bit 1: policy (should be 0 for us) + * bits 2..5: TID + * bits 6..15: buffer size + */ + .ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) | + (agg_wsize << 6)), + .ba_timeout = cpu_to_le16(timeout), + /* route all the connections to status ring 0 */ + .status_ring_id = WIL_DEFAULT_RX_STATUS_RING_ID, + }; + struct { + struct wmi_cmd_hdr wmi; + struct wmi_rcp_addba_resp_sent_event evt; + } __packed reply = { + .evt = {.status = cpu_to_le16(WMI_FW_STATUS_FAILURE)}, + }; + + wil_dbg_wmi(wil, + "ADDBA response for CID %d TID %d size %d timeout %d status %d AMSDU%s, sring_id %d\n", + cid, tid, agg_wsize, timeout, status, amsdu ? "+" : "-", + WIL_DEFAULT_RX_STATUS_RING_ID); + + rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_EDMA_CMDID, mid, &cmd, + sizeof(cmd), WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply, + sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) + return rc; + + if (reply.evt.status) { + wil_err(wil, "ADDBA response failed with status %d\n", + le16_to_cpu(reply.evt.status)); + rc = -EINVAL; + } + + return rc; +} + int wmi_ps_dev_profile_cfg(struct wil6210_priv *wil, enum wmi_ps_profile_type ps_profile) { diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index 38e788000801..abf6f05c4801 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -86,6 +86,7 @@ enum wmi_fw_capability { WMI_FW_CAPABILITY_PNO = 15, WMI_FW_CAPABILITY_REF_CLOCK_CONTROL = 18, WMI_FW_CAPABILITY_AP_SME_OFFLOAD_NONE = 19, + WMI_FW_CAPABILITY_AMSDU = 23, WMI_FW_CAPABILITY_MAX, }; |