diff options
author | Gabor Juhos <juhosg@openwrt.org> | 2009-01-07 18:17:27 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2009-01-07 18:17:27 +0000 |
commit | 7c70924b6a1892f2575bfa054782daef14115b73 (patch) | |
tree | ce7d24ad750157537f60114e154bf93737dda7a6 /package/mac80211/patches/401-ath9k-introduce-bus-specific-DMA-routines.patch | |
parent | 9b32b827e7a12b636e12a6375c839bac50e4e516 (diff) | |
download | master-187ad058-7c70924b6a1892f2575bfa054782daef14115b73.tar.gz master-187ad058-7c70924b6a1892f2575bfa054782daef14115b73.tar.bz2 master-187ad058-7c70924b6a1892f2575bfa054782daef14115b73.zip |
[package] mac80211: update compat-wireless to 2009-01-07, and refresh ath9k patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13925 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/mac80211/patches/401-ath9k-introduce-bus-specific-DMA-routines.patch')
-rw-r--r-- | package/mac80211/patches/401-ath9k-introduce-bus-specific-DMA-routines.patch | 392 |
1 files changed, 0 insertions, 392 deletions
diff --git a/package/mac80211/patches/401-ath9k-introduce-bus-specific-DMA-routines.patch b/package/mac80211/patches/401-ath9k-introduce-bus-specific-DMA-routines.patch deleted file mode 100644 index d0814b0658..0000000000 --- a/package/mac80211/patches/401-ath9k-introduce-bus-specific-DMA-routines.patch +++ /dev/null @@ -1,392 +0,0 @@ -From d6f9b4eb74f8be1be90ee315ed3895e6b0265c42 Mon Sep 17 00:00:00 2001 -From: Gabor Juhos <juhosg@openwrt.org> -Date: Fri, 2 Jan 2009 16:07:21 +0100 -Subject: [RFC 01/12] ath9k: introduce bus specific DMA routines - -In the AR913x SoCs, the WMAC devices are connected to the CPU through -the internal AHB bus instead of PCI. We first patch ath9k driver to use -replaceable DMA routines, so we can use different code for the AHB bus. - -Signed-off-by: Gabor Juhos <juhosg@openwrt.org> -Signed-off-by: Imre Kaloz <kaloz@openwrt.org> ---- - drivers/net/wireless/ath9k/beacon.c | 29 +++++--------- - drivers/net/wireless/ath9k/core.h | 75 +++++++++++++++++++++++++++++++++++ - drivers/net/wireless/ath9k/main.c | 71 +++++++++++++++++++++++++++++--- - drivers/net/wireless/ath9k/recv.c | 30 ++++++-------- - drivers/net/wireless/ath9k/xmit.c | 12 ++---- - 5 files changed, 166 insertions(+), 51 deletions(-) - ---- a/drivers/net/wireless/ath9k/beacon.c -+++ b/drivers/net/wireless/ath9k/beacon.c -@@ -164,9 +164,7 @@ static struct ath_buf *ath_beacon_genera - bf = avp->av_bcbuf; - skb = (struct sk_buff *)bf->bf_mpdu; - if (skb) { -- pci_unmap_single(sc->pdev, bf->bf_dmacontext, -- skb->len, -- PCI_DMA_TODEVICE); -+ ath_unmap_single_to_device(sc, bf->bf_dmacontext, skb->len); - dev_kfree_skb_any(skb); - } - -@@ -188,14 +186,12 @@ static struct ath_buf *ath_beacon_genera - } - - bf->bf_buf_addr = bf->bf_dmacontext = -- pci_map_single(sc->pdev, skb->data, -- skb->len, -- PCI_DMA_TODEVICE); -- if (unlikely(pci_dma_mapping_error(sc->pdev, bf->bf_buf_addr))) { -+ ath_map_single_to_device(sc, skb->data, skb->len); -+ if (unlikely(ath_dma_mapping_error(sc, bf->bf_buf_addr))) { - dev_kfree_skb_any(skb); - bf->bf_mpdu = NULL; - DPRINTF(sc, ATH_DBG_CONFIG, -- "pci_dma_mapping_error() on beaconing\n"); -+ "dma_mapping_error() on beaconing\n"); - return NULL; - } - -@@ -343,9 +339,7 @@ int ath_beacon_alloc(struct ath_softc *s - bf = avp->av_bcbuf; - if (bf->bf_mpdu != NULL) { - skb = (struct sk_buff *)bf->bf_mpdu; -- pci_unmap_single(sc->pdev, bf->bf_dmacontext, -- skb->len, -- PCI_DMA_TODEVICE); -+ ath_unmap_single_to_device(sc, bf->bf_dmacontext, skb->len); - dev_kfree_skb_any(skb); - bf->bf_mpdu = NULL; - } -@@ -402,14 +396,12 @@ int ath_beacon_alloc(struct ath_softc *s - - bf->bf_mpdu = skb; - bf->bf_buf_addr = bf->bf_dmacontext = -- pci_map_single(sc->pdev, skb->data, -- skb->len, -- PCI_DMA_TODEVICE); -- if (unlikely(pci_dma_mapping_error(sc->pdev, bf->bf_buf_addr))) { -+ ath_map_single_to_device(sc, skb->data, skb->len); -+ if (unlikely(ath_dma_mapping_error(sc, bf->bf_buf_addr))) { - dev_kfree_skb_any(skb); - bf->bf_mpdu = NULL; - DPRINTF(sc, ATH_DBG_CONFIG, -- "pci_dma_mapping_error() on beacon alloc\n"); -+ "dma_mapping_error() on beacon alloc\n"); - return -ENOMEM; - } - -@@ -429,9 +421,8 @@ void ath_beacon_return(struct ath_softc - bf = avp->av_bcbuf; - if (bf->bf_mpdu != NULL) { - struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu; -- pci_unmap_single(sc->pdev, bf->bf_dmacontext, -- skb->len, -- PCI_DMA_TODEVICE); -+ ath_unmap_single_to_device(sc, bf->bf_dmacontext, -+ skb->len); - dev_kfree_skb_any(skb); - bf->bf_mpdu = NULL; - } ---- a/drivers/net/wireless/ath9k/core.h -+++ b/drivers/net/wireless/ath9k/core.h -@@ -693,6 +693,33 @@ enum PROT_MODE { - #define SC_OP_RFKILL_SW_BLOCKED BIT(12) - #define SC_OP_RFKILL_HW_BLOCKED BIT(13) - -+struct ath_bus_ops { -+ dma_addr_t (*dma_map_single_to_device)(struct ath_softc *sc, -+ void *p, -+ size_t size); -+ void (*dma_unmap_single_to_device)(struct ath_softc *sc, -+ dma_addr_t da, -+ size_t size); -+ dma_addr_t (*dma_map_single_from_device)(struct ath_softc *sc, -+ void *p, -+ size_t size); -+ void (*dma_unmap_single_from_device)(struct ath_softc *sc, -+ dma_addr_t da, -+ size_t size); -+ int (*dma_mapping_error)(struct ath_softc *sc, -+ dma_addr_t da); -+ void (*dma_sync_single_for_cpu)(struct ath_softc *sc, -+ dma_addr_t da, -+ size_t size); -+ void *(*dma_alloc)(struct ath_softc *sc, -+ size_t size, -+ dma_addr_t *pda); -+ void (*dma_free)(struct ath_softc *sc, -+ size_t size, -+ void *p, -+ dma_addr_t da); -+}; -+ - struct ath_softc { - struct ieee80211_hw *hw; - struct pci_dev *pdev; -@@ -744,6 +771,7 @@ struct ath_softc { - #ifdef CONFIG_ATH9K_DEBUG - struct ath9k_debug sc_debug; - #endif -+ struct ath_bus_ops *bus_ops; - }; - - int ath_reset(struct ath_softc *sc, bool retry_tx); -@@ -751,4 +779,51 @@ int ath_get_hal_qnum(u16 queue, struct a - int ath_get_mac80211_qnum(u32 queue, struct ath_softc *sc); - int ath_cabq_update(struct ath_softc *); - -+static inline dma_addr_t ath_map_single_to_device(struct ath_softc *sc, -+ void *p, size_t size) -+{ -+ return sc->bus_ops->dma_map_single_to_device(sc, p, size); -+} -+ -+static inline void ath_unmap_single_to_device(struct ath_softc *sc, -+ dma_addr_t da, size_t size) -+{ -+ sc->bus_ops->dma_unmap_single_to_device(sc, da, size); -+} -+ -+static inline dma_addr_t ath_map_single_from_device(struct ath_softc *sc, -+ void *p, size_t size) -+{ -+ return sc->bus_ops->dma_map_single_from_device(sc, p, size); -+} -+ -+static inline void ath_unmap_single_from_device(struct ath_softc *sc, -+ dma_addr_t da, size_t size) -+{ -+ sc->bus_ops->dma_unmap_single_from_device(sc, da, size); -+} -+ -+static inline int ath_dma_mapping_error(struct ath_softc *sc, dma_addr_t da) -+{ -+ return sc->bus_ops->dma_mapping_error(sc, da); -+} -+ -+static inline void ath_sync_single_for_cpu(struct ath_softc *sc, dma_addr_t da, -+ size_t size) -+{ -+ sc->bus_ops->dma_sync_single_for_cpu(sc, da, size); -+} -+ -+static inline void *ath_dma_alloc(struct ath_softc *sc, size_t size, -+ dma_addr_t *pda) -+{ -+ return sc->bus_ops->dma_alloc(sc, size, pda); -+} -+ -+static inline void ath_dma_free(struct ath_softc *sc, size_t size, -+ void *p, dma_addr_t da) -+{ -+ sc->bus_ops->dma_free(sc, size, p, da); -+} -+ - #endif /* CORE_H */ ---- a/drivers/net/wireless/ath9k/main.c -+++ b/drivers/net/wireless/ath9k/main.c -@@ -1722,9 +1722,7 @@ int ath_descdma_setup(struct ath_softc * - } - - /* allocate descriptors */ -- dd->dd_desc = pci_alloc_consistent(sc->pdev, -- dd->dd_desc_len, -- &dd->dd_desc_paddr); -+ dd->dd_desc = ath_dma_alloc(sc, dd->dd_desc_len, &dd->dd_desc_paddr); - if (dd->dd_desc == NULL) { - error = -ENOMEM; - goto fail; -@@ -1770,8 +1768,7 @@ int ath_descdma_setup(struct ath_softc * - } - return 0; - fail2: -- pci_free_consistent(sc->pdev, -- dd->dd_desc_len, dd->dd_desc, dd->dd_desc_paddr); -+ ath_dma_free(sc, dd->dd_desc_len, dd->dd_desc, dd->dd_desc_paddr); - fail: - memset(dd, 0, sizeof(*dd)); - return error; -@@ -1784,8 +1781,7 @@ void ath_descdma_cleanup(struct ath_soft - struct ath_descdma *dd, - struct list_head *head) - { -- pci_free_consistent(sc->pdev, -- dd->dd_desc_len, dd->dd_desc, dd->dd_desc_paddr); -+ ath_dma_free(sc, dd->dd_desc_len, dd->dd_desc, dd->dd_desc_paddr); - - INIT_LIST_HEAD(head); - kfree(dd->dd_bufptr); -@@ -2551,6 +2547,66 @@ ath_rf_name(u16 rf_version) - return "????"; - } - -+static dma_addr_t ath_pci_map_single_to_device(struct ath_softc *sc, -+ void *p, size_t size) -+{ -+ return pci_map_single(sc->pdev, p, size, PCI_DMA_TODEVICE); -+} -+ -+static void ath_pci_unmap_single_to_device(struct ath_softc *sc, -+ dma_addr_t da, size_t size) -+{ -+ pci_unmap_single(sc->pdev, da, size, PCI_DMA_TODEVICE); -+} -+ -+static dma_addr_t ath_pci_map_single_from_device(struct ath_softc *sc, -+ void *p, size_t size) -+{ -+ return pci_map_single(sc->pdev, p, size, PCI_DMA_FROMDEVICE); -+} -+ -+static void ath_pci_unmap_single_from_device(struct ath_softc *sc, -+ dma_addr_t da, size_t size) -+{ -+ pci_unmap_single(sc->pdev, da, size, PCI_DMA_FROMDEVICE); -+} -+ -+static int ath_pci_dma_mapping_error(struct ath_softc *sc, dma_addr_t da) -+{ -+ return pci_dma_mapping_error(sc->pdev, da); -+} -+ -+static void ath_pci_sync_single_for_cpu(struct ath_softc *sc, dma_addr_t da, -+ size_t size) -+{ -+ pci_dma_sync_single_for_cpu(sc->pdev, da, size, -+ PCI_DMA_FROMDEVICE); -+} -+ -+static void *ath_pci_dma_alloc(struct ath_softc *sc, size_t size, -+ dma_addr_t *pda) -+{ -+ return pci_alloc_consistent(sc->pdev, size, pda); -+} -+ -+static void ath_pci_dma_free(struct ath_softc *sc, size_t size, -+ void *p, dma_addr_t da) -+{ -+ pci_free_consistent(sc->pdev, size, p, da); -+} -+ -+static struct ath_bus_ops ath_pci_bus_ops = { -+ .dma_map_single_to_device = ath_pci_map_single_to_device, -+ .dma_unmap_single_to_device = ath_pci_unmap_single_to_device, -+ .dma_map_single_from_device = ath_pci_map_single_from_device, -+ .dma_unmap_single_from_device = ath_pci_unmap_single_from_device, -+ .dma_map_single_to_device = ath_pci_map_single_to_device, -+ .dma_mapping_error = ath_pci_dma_mapping_error, -+ .dma_sync_single_for_cpu = ath_pci_sync_single_for_cpu, -+ .dma_alloc = ath_pci_dma_alloc, -+ .dma_free = ath_pci_dma_free, -+}; -+ - static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) - { - void __iomem *mem; -@@ -2639,6 +2695,7 @@ static int ath_pci_probe(struct pci_dev - sc->hw = hw; - sc->pdev = pdev; - sc->mem = mem; -+ sc->bus_ops = &ath_pci_bus_ops; - - if (ath_attach(id->device, sc) != 0) { - ret = -ENODEV; ---- a/drivers/net/wireless/ath9k/recv.c -+++ b/drivers/net/wireless/ath9k/recv.c -@@ -291,15 +291,14 @@ int ath_rx_init(struct ath_softc *sc, in - } - - bf->bf_mpdu = skb; -- bf->bf_buf_addr = pci_map_single(sc->pdev, skb->data, -- sc->rx.bufsize, -- PCI_DMA_FROMDEVICE); -- if (unlikely(pci_dma_mapping_error(sc->pdev, -- bf->bf_buf_addr))) { -+ bf->bf_buf_addr = ath_map_single_from_device(sc, -+ skb->data, sc->rx.bufsize); -+ if (unlikely(ath_dma_mapping_error(sc, -+ bf->bf_buf_addr))) { - dev_kfree_skb_any(skb); - bf->bf_mpdu = NULL; - DPRINTF(sc, ATH_DBG_CONFIG, -- "pci_dma_mapping_error() on RX init\n"); -+ "dma_mapping_error() on RX init\n"); - error = -ENOMEM; - break; - } -@@ -524,9 +523,7 @@ int ath_rx_tasklet(struct ath_softc *sc, - * 1. accessing the frame - * 2. requeueing the same buffer to h/w - */ -- pci_dma_sync_single_for_cpu(sc->pdev, bf->bf_buf_addr, -- sc->rx.bufsize, -- PCI_DMA_FROMDEVICE); -+ ath_sync_single_for_cpu(sc, bf->bf_buf_addr, sc->rx.bufsize); - - /* - * If we're asked to flush receive queue, directly -@@ -557,9 +554,8 @@ int ath_rx_tasklet(struct ath_softc *sc, - goto requeue; - - /* Unmap the frame */ -- pci_unmap_single(sc->pdev, bf->bf_buf_addr, -- sc->rx.bufsize, -- PCI_DMA_FROMDEVICE); -+ ath_unmap_single_from_device(sc, bf->bf_buf_addr, -+ sc->rx.bufsize); - - skb_put(skb, ds->ds_rxstat.rs_datalen); - skb->protocol = cpu_to_be16(ETH_P_CONTROL); -@@ -599,15 +595,15 @@ int ath_rx_tasklet(struct ath_softc *sc, - - /* We will now give hardware our shiny new allocated skb */ - bf->bf_mpdu = requeue_skb; -- bf->bf_buf_addr = pci_map_single(sc->pdev, requeue_skb->data, -- sc->rx.bufsize, -- PCI_DMA_FROMDEVICE); -- if (unlikely(pci_dma_mapping_error(sc->pdev, -+ bf->bf_buf_addr = ath_map_single_from_device(sc, -+ requeue_skb->data, -+ sc->rx.bufsize); -+ if (unlikely(ath_dma_mapping_error(sc, - bf->bf_buf_addr))) { - dev_kfree_skb_any(requeue_skb); - bf->bf_mpdu = NULL; - DPRINTF(sc, ATH_DBG_CONFIG, -- "pci_dma_mapping_error() on RX\n"); -+ "dma_mapping_error() on RX\n"); - break; - } - bf->bf_dmacontext = bf->bf_buf_addr; ---- a/drivers/net/wireless/ath9k/xmit.c -+++ b/drivers/net/wireless/ath9k/xmit.c -@@ -340,10 +340,7 @@ static void ath_tx_complete_buf(struct a - } - - /* Unmap this frame */ -- pci_unmap_single(sc->pdev, -- bf->bf_dmacontext, -- skb->len, -- PCI_DMA_TODEVICE); -+ ath_unmap_single_to_device(sc, bf->bf_dmacontext, skb->len); - /* complete this frame */ - ath_tx_complete(sc, skb, &tx_status); - -@@ -1713,12 +1710,11 @@ static int ath_tx_setup_buffer(struct at - /* DMA setup */ - bf->bf_mpdu = skb; - -- bf->bf_dmacontext = pci_map_single(sc->pdev, skb->data, -- skb->len, PCI_DMA_TODEVICE); -- if (unlikely(pci_dma_mapping_error(sc->pdev, bf->bf_dmacontext))) { -+ bf->bf_dmacontext = ath_map_single_to_device(sc, skb->data, skb->len); -+ if (unlikely(ath_dma_mapping_error(sc, bf->bf_dmacontext))) { - bf->bf_mpdu = NULL; - DPRINTF(sc, ATH_DBG_CONFIG, -- "pci_dma_mapping_error() on TX\n"); -+ "dma_mapping_error() on TX\n"); - return -ENOMEM; - } - |