Return-path: Received: from youngberry.canonical.com ([91.189.89.112]:34572 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933316Ab2JZOYU (ORCPT ); Fri, 26 Oct 2012 10:24:20 -0400 From: Seth Forshee To: linux-wireless@vger.kernel.org Cc: "John W. Linville" , Arend van Spriel , "Franky (Zhenhui) Lin" , Brett Rudley , Roland Vossen , Kan Yan , brcm80211-dev-list@broadcom.com, Seth Forshee Subject: [PATCH 13/18] brcmsmac: Add DMA debug macro Date: Fri, 26 Oct 2012 09:23:28 -0500 Message-Id: <1351261413-20821-14-git-send-email-seth.forshee@canonical.com> (sfid-20121026_163931_742778_BC2F43D1) In-Reply-To: <1351261413-20821-1-git-send-email-seth.forshee@canonical.com> References: <1351261413-20821-1-git-send-email-seth.forshee@canonical.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Also convert relevant messages to use this macro. Signed-off-by: Seth Forshee --- .../net/wireless/brcm80211/brcmsmac/brcms_debug.h | 1 + drivers/net/wireless/brcm80211/brcmsmac/dma.c | 155 +++++++++----------- drivers/net/wireless/brcm80211/brcmsmac/dma.h | 2 +- drivers/net/wireless/brcm80211/brcmsmac/main.c | 10 +- drivers/net/wireless/brcm80211/include/defs.h | 1 + 5 files changed, 73 insertions(+), 96 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmsmac/brcms_debug.h b/drivers/net/wireless/brcm80211/brcmsmac/brcms_debug.h index 16f7304..5bfe97f 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/brcms_debug.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/brcms_debug.h @@ -40,5 +40,6 @@ static inline void __brcms_dbg(struct device *dev, u32 level, #define BRCMS_DBG_RX(core, f, a...) BRCMS_DBG(core, BRCM_DL_RX, f, ##a) #define BRCMS_DBG_TX(core, f, a...) BRCMS_DBG(core, BRCM_DL_TX, f, ##a) #define BRCMS_DBG_INT(core, f, a...) BRCMS_DBG(core, BRCM_DL_INT, f, ##a) +#define BRCMS_DBG_DMA(core, f, a...) BRCMS_DBG(core, BRCM_DL_DMA, f, ##a) #endif /* _BRCMS_DEBUG_H_ */ diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.c b/drivers/net/wireless/brcm80211/brcmsmac/dma.c index d7ce1ac..5b5dd3c 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/dma.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.c @@ -14,8 +14,6 @@ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - #include #include #include @@ -30,6 +28,7 @@ #include "soc.h" #include "scb.h" #include "ampdu.h" +#include "brcms_debug.h" /* * dma register field offset calculation @@ -181,28 +180,6 @@ #define BCMEXTRAHDROOM 172 -/* debug/trace */ -#ifdef DEBUG -#define DMA_ERROR(fmt, ...) \ -do { \ - if (*di->msg_level & 1) \ - pr_debug("%s: " fmt, __func__, ##__VA_ARGS__); \ -} while (0) -#define DMA_TRACE(fmt, ...) \ -do { \ - if (*di->msg_level & 2) \ - pr_debug("%s: " fmt, __func__, ##__VA_ARGS__); \ -} while (0) -#else -#define DMA_ERROR(fmt, ...) \ - no_printk(fmt, ##__VA_ARGS__) -#define DMA_TRACE(fmt, ...) \ - no_printk(fmt, ##__VA_ARGS__) -#endif /* DEBUG */ - -#define DMA_NONE(fmt, ...) \ - no_printk(fmt, ##__VA_ARGS__) - #define MAXNAMEL 8 /* 8 char names */ /* macros to convert between byte offsets and indexes */ @@ -229,7 +206,6 @@ struct dma64desc { /* dma engine software state */ struct dma_info { struct dma_pub dma; /* exported structure */ - uint *msg_level; /* message level pointer */ char name[MAXNAMEL]; /* callers name for diag msgs */ struct bcma_device *core; @@ -306,12 +282,6 @@ struct dma_info { bool aligndesc_4k; }; -/* - * default dma message level (if input msg_level - * pointer is null in dma_attach()) - */ -static uint dma_msg_level; - /* Check for odd number of 1's */ static u32 parity32(__le32 data) { @@ -379,7 +349,7 @@ static uint _dma_ctrlflags(struct dma_info *di, uint mask, uint flags) uint dmactrlflags; if (di == NULL) { - DMA_ERROR("NULL dma handle\n"); + BRCMS_DBG_DMA(di->core, "NULL dma handle\n"); return 0; } @@ -431,13 +401,15 @@ static bool _dma_isaddrext(struct dma_info *di) /* not all tx or rx channel are available */ if (di->d64txregbase != 0) { if (!_dma64_addrext(di, DMA64TXREGOFFS(di, control))) - DMA_ERROR("%s: DMA64 tx doesn't have AE set\n", - di->name); + BRCMS_DBG_DMA(di->core, + "%s: DMA64 tx doesn't have AE set\n", + di->name); return true; } else if (di->d64rxregbase != 0) { if (!_dma64_addrext(di, DMA64RXREGOFFS(di, control))) - DMA_ERROR("%s: DMA64 rx doesn't have AE set\n", - di->name); + BRCMS_DBG_DMA(di->core, + "%s: DMA64 rx doesn't have AE set\n", + di->name); return true; } @@ -538,8 +510,9 @@ static bool dma64_alloc(struct dma_info *di, uint direction) va = dma_ringalloc(di, D64RINGALIGN, size, &align_bits, &alloced, &di->txdpaorig); if (va == NULL) { - DMA_ERROR("%s: DMA_ALLOC_CONSISTENT(ntxd) failed\n", - di->name); + BRCMS_DBG_DMA(di->core, + "%s: DMA_ALLOC_CONSISTENT(ntxd) failed\n", + di->name); return false; } align = (1 << align_bits); @@ -552,8 +525,9 @@ static bool dma64_alloc(struct dma_info *di, uint direction) va = dma_ringalloc(di, D64RINGALIGN, size, &align_bits, &alloced, &di->rxdpaorig); if (va == NULL) { - DMA_ERROR("%s: DMA_ALLOC_CONSISTENT(nrxd) failed\n", - di->name); + BRCMS_DBG_DMA(di->core, + "%s: DMA_ALLOC_CONSISTENT(nrxd) failed\n", + di->name); return false; } align = (1 << align_bits); @@ -575,7 +549,7 @@ static bool _dma_alloc(struct dma_info *di, uint direction) struct dma_pub *dma_attach(char *name, struct brcms_c_info *wlc, uint txregbase, uint rxregbase, uint ntxd, uint nrxd, uint rxbufsize, int rxextheadroom, - uint nrxpost, uint rxoffset, uint *msg_level) + uint nrxpost, uint rxoffset) { struct si_pub *sih = wlc->hw->sih; struct bcma_device *core = wlc->hw->d11core; @@ -589,9 +563,6 @@ struct dma_pub *dma_attach(char *name, struct brcms_c_info *wlc, if (di == NULL) return NULL; - di->msg_level = msg_level ? msg_level : &dma_msg_level; - - di->dma64 = ((bcma_aread32(core, BCMA_IOST) & SISF_DMA64) == SISF_DMA64); @@ -607,11 +578,11 @@ struct dma_pub *dma_attach(char *name, struct brcms_c_info *wlc, */ _dma_ctrlflags(di, DMA_CTRL_ROC | DMA_CTRL_PEN, 0); - DMA_TRACE("%s: %s flags 0x%x ntxd %d nrxd %d " - "rxbufsize %d rxextheadroom %d nrxpost %d rxoffset %d " - "txregbase %u rxregbase %u\n", name, "DMA64", - di->dma.dmactrlflags, ntxd, nrxd, rxbufsize, - rxextheadroom, nrxpost, rxoffset, txregbase, rxregbase); + BRCMS_DBG_DMA(di->core, "%s: %s flags 0x%x ntxd %d nrxd %d " + "rxbufsize %d rxextheadroom %d nrxpost %d rxoffset %d " + "txregbase %u rxregbase %u\n", name, "DMA64", + di->dma.dmactrlflags, ntxd, nrxd, rxbufsize, + rxextheadroom, nrxpost, rxoffset, txregbase, rxregbase); /* make a private copy of our callers name */ strncpy(di->name, name, MAXNAMEL); @@ -673,8 +644,8 @@ struct dma_pub *dma_attach(char *name, struct brcms_c_info *wlc, di->dmadesc_align = 4; /* 16 byte alignment */ } - DMA_NONE("DMA descriptor align_needed %d, align %d\n", - di->aligndesc_4k, di->dmadesc_align); + BRCMS_DBG_DMA(di->core, "DMA descriptor align_needed %d, align %d\n", + di->aligndesc_4k, di->dmadesc_align); /* allocate tx packet pointer vector */ if (ntxd) { @@ -712,13 +683,15 @@ struct dma_pub *dma_attach(char *name, struct brcms_c_info *wlc, if ((di->ddoffsetlow != 0) && !di->addrext) { if (di->txdpa > SI_PCI_DMA_SZ) { - DMA_ERROR("%s: txdpa 0x%x: addrext not supported\n", - di->name, (u32)di->txdpa); + BRCMS_DBG_DMA(di->core, + "%s: txdpa 0x%x: addrext not supported\n", + di->name, (u32)di->txdpa); goto fail; } if (di->rxdpa > SI_PCI_DMA_SZ) { - DMA_ERROR("%s: rxdpa 0x%x: addrext not supported\n", - di->name, (u32)di->rxdpa); + BRCMS_DBG_DMA(di->core, + "%s: rxdpa 0x%x: addrext not supported\n", + di->name, (u32)di->rxdpa); goto fail; } } @@ -726,10 +699,11 @@ struct dma_pub *dma_attach(char *name, struct brcms_c_info *wlc, /* Initialize AMPDU session */ brcms_c_ampdu_reset_session(&di->ampdu_session, wlc); - DMA_TRACE("ddoffsetlow 0x%x ddoffsethigh 0x%x dataoffsetlow 0x%x dataoffsethigh 0x%x addrext %d\n", - di->ddoffsetlow, di->ddoffsethigh, - di->dataoffsetlow, di->dataoffsethigh, - di->addrext); + BRCMS_DBG_DMA(di->core, + "ddoffsetlow 0x%x ddoffsethigh 0x%x dataoffsetlow 0x%x dataoffsethigh 0x%x addrext %d\n", + di->ddoffsetlow, di->ddoffsethigh, + di->dataoffsetlow, di->dataoffsethigh, + di->addrext); return (struct dma_pub *) di; @@ -775,7 +749,7 @@ void dma_detach(struct dma_pub *pub) { struct dma_info *di = (struct dma_info *)pub; - DMA_TRACE("%s:\n", di->name); + BRCMS_DBG_DMA(di->core, "%s:\n", di->name); /* free dma descriptor rings */ if (di->txd64) @@ -851,7 +825,7 @@ static void _dma_rxenable(struct dma_info *di) uint dmactrlflags = di->dma.dmactrlflags; u32 control; - DMA_TRACE("%s:\n", di->name); + BRCMS_DBG_DMA(di->core, "%s:\n", di->name); control = D64_RC_RE | (bcma_read32(di->core, DMA64RXREGOFFS(di, control)) & @@ -871,7 +845,7 @@ void dma_rxinit(struct dma_pub *pub) { struct dma_info *di = (struct dma_info *)pub; - DMA_TRACE("%s:\n", di->name); + BRCMS_DBG_DMA(di->core, "%s:\n", di->name); if (di->nrxd == 0) return; @@ -966,7 +940,7 @@ int dma_rx(struct dma_pub *pub, struct sk_buff_head *skb_list) return 0; len = le16_to_cpu(*(__le16 *) (p->data)); - DMA_TRACE("%s: dma_rx len %d\n", di->name, len); + BRCMS_DBG_DMA(di->core, "%s: dma_rx len %d\n", di->name, len); dma_spin_for_len(len, p); /* set actual length */ @@ -993,14 +967,15 @@ int dma_rx(struct dma_pub *pub, struct sk_buff_head *skb_list) DMA64RXREGOFFS(di, status0)) & D64_RS0_CD_MASK) - di->rcvptrbase) & D64_RS0_CD_MASK, struct dma64desc); - DMA_ERROR("rxin %d rxout %d, hw_curr %d\n", - di->rxin, di->rxout, cur); + BRCMS_DBG_DMA(di->core, + "rxin %d rxout %d, hw_curr %d\n", + di->rxin, di->rxout, cur); } #endif /* DEBUG */ if ((di->dma.dmactrlflags & DMA_CTRL_RXMULTI) == 0) { - DMA_ERROR("%s: bad frame length (%d)\n", - di->name, len); + BRCMS_DBG_DMA(di->core, "%s: bad frame length (%d)\n", + di->name, len); skb_queue_walk_safe(&dma_frames, p, next) { skb_unlink(p, &dma_frames); brcmu_pkt_buf_free_skb(p); @@ -1017,7 +992,7 @@ int dma_rx(struct dma_pub *pub, struct sk_buff_head *skb_list) static bool dma64_rxidle(struct dma_info *di) { - DMA_TRACE("%s:\n", di->name); + BRCMS_DBG_DMA(di->core, "%s:\n", di->name); if (di->nrxd == 0) return true; @@ -1070,7 +1045,7 @@ bool dma_rxfill(struct dma_pub *pub) n = di->nrxpost - nrxdactive(di, rxin, rxout); - DMA_TRACE("%s: post %d\n", di->name, n); + BRCMS_DBG_DMA(di->core, "%s: post %d\n", di->name, n); if (di->rxbufsize > BCMEXTRAHDROOM) extra_offset = di->rxextrahdrroom; @@ -1083,9 +1058,11 @@ bool dma_rxfill(struct dma_pub *pub) p = brcmu_pkt_buf_get_skb(di->rxbufsize + extra_offset); if (p == NULL) { - DMA_ERROR("%s: out of rxbufs\n", di->name); + BRCMS_DBG_DMA(di->core, "%s: out of rxbufs\n", + di->name); if (i == 0 && dma64_rxidle(di)) { - DMA_ERROR("%s: ring is empty !\n", di->name); + BRCMS_DBG_DMA(di->core, "%s: ring is empty !\n", + di->name); ring_empty = true; } di->dma.rxnobuf++; @@ -1130,7 +1107,7 @@ void dma_rxreclaim(struct dma_pub *pub) struct dma_info *di = (struct dma_info *)pub; struct sk_buff *p; - DMA_TRACE("%s:\n", di->name); + BRCMS_DBG_DMA(di->core, "%s:\n", di->name); while ((p = _dma_getnextrxp(di, true))) brcmu_pkt_buf_free_skb(p); @@ -1161,7 +1138,7 @@ void dma_txinit(struct dma_pub *pub) struct dma_info *di = (struct dma_info *)pub; u32 control = D64_XC_XE; - DMA_TRACE("%s:\n", di->name); + BRCMS_DBG_DMA(di->core, "%s:\n", di->name); if (di->ntxd == 0) return; @@ -1193,7 +1170,7 @@ void dma_txsuspend(struct dma_pub *pub) { struct dma_info *di = (struct dma_info *)pub; - DMA_TRACE("%s:\n", di->name); + BRCMS_DBG_DMA(di->core, "%s:\n", di->name); if (di->ntxd == 0) return; @@ -1205,7 +1182,7 @@ void dma_txresume(struct dma_pub *pub) { struct dma_info *di = (struct dma_info *)pub; - DMA_TRACE("%s:\n", di->name); + BRCMS_DBG_DMA(di->core, "%s:\n", di->name); if (di->ntxd == 0) return; @@ -1228,11 +1205,11 @@ void dma_txreclaim(struct dma_pub *pub, enum txd_range range) struct dma_info *di = (struct dma_info *)pub; struct sk_buff *p; - DMA_TRACE("%s: %s\n", - di->name, - range == DMA_RANGE_ALL ? "all" : - range == DMA_RANGE_TRANSMITTED ? "transmitted" : - "transferred"); + BRCMS_DBG_DMA(di->core, "%s: %s\n", + di->name, + range == DMA_RANGE_ALL ? "all" : + range == DMA_RANGE_TRANSMITTED ? "transmitted" : + "transferred"); if (di->txin == di->txout) return; @@ -1392,7 +1369,7 @@ int dma_txfast(struct brcms_c_info *wlc, struct dma_pub *pub, struct ieee80211_tx_info *tx_info; bool is_ampdu; - DMA_TRACE("%s:\n", di->name); + BRCMS_DBG_DMA(di->core, "%s:\n", di->name); /* no use to transmit a zero length packet */ if (p->len == 0) @@ -1430,7 +1407,7 @@ int dma_txfast(struct brcms_c_info *wlc, struct dma_pub *pub, return 0; outoftxd: - DMA_ERROR("%s: out of txds !!!\n", di->name); + BRCMS_DBG_DMA(di->core, "%s: out of txds !!!\n", di->name); brcmu_pkt_buf_free_skb(p); di->dma.txavail = 0; di->dma.txnobuf++; @@ -1482,11 +1459,11 @@ struct sk_buff *dma_getnexttxp(struct dma_pub *pub, enum txd_range range) u16 active_desc; struct sk_buff *txp; - DMA_TRACE("%s: %s\n", - di->name, - range == DMA_RANGE_ALL ? "all" : - range == DMA_RANGE_TRANSMITTED ? "transmitted" : - "transferred"); + BRCMS_DBG_DMA(di->core, "%s: %s\n", + di->name, + range == DMA_RANGE_ALL ? "all" : + range == DMA_RANGE_TRANSMITTED ? "transmitted" : + "transferred"); if (di->ntxd == 0) return NULL; @@ -1545,8 +1522,8 @@ struct sk_buff *dma_getnexttxp(struct dma_pub *pub, enum txd_range range) return txp; bogus: - DMA_NONE("bogus curr: start %d end %d txout %d\n", - start, end, di->txout); + BRCMS_DBG_DMA(di->core, "bogus curr: start %d end %d txout %d\n", + start, end, di->txout); return NULL; } diff --git a/drivers/net/wireless/brcm80211/brcmsmac/dma.h b/drivers/net/wireless/brcm80211/brcmsmac/dma.h index 459abf1..ff5b80b 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/dma.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/dma.h @@ -78,7 +78,7 @@ extern struct dma_pub *dma_attach(char *name, struct brcms_c_info *wlc, uint txregbase, uint rxregbase, uint ntxd, uint nrxd, uint rxbufsize, int rxextheadroom, - uint nrxpost, uint rxoffset, uint *msg_level); + uint nrxpost, uint rxoffset); void dma_rxinit(struct dma_pub *pub); int dma_rx(struct dma_pub *pub, struct sk_buff_head *skb_list); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c index ba64b38..2073f08 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/main.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c @@ -1159,7 +1159,7 @@ static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme) dmareg(DMA_RX, 0), (wme ? NTXD : 0), NRXD, RXBUFSZ, -1, NRXBUFPOST, - BRCMS_HWRXOFF, &brcm_msg_level); + BRCMS_HWRXOFF); dma_attach_err |= (NULL == wlc_hw->di[0]); /* @@ -1170,8 +1170,7 @@ static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme) */ wlc_hw->di[1] = dma_attach(name, wlc, dmareg(DMA_TX, 1), 0, - NTXD, 0, 0, -1, 0, 0, - &brcm_msg_level); + NTXD, 0, 0, -1, 0, 0); dma_attach_err |= (NULL == wlc_hw->di[1]); /* @@ -1181,8 +1180,7 @@ static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme) */ wlc_hw->di[2] = dma_attach(name, wlc, dmareg(DMA_TX, 2), 0, - NTXD, 0, 0, -1, 0, 0, - &brcm_msg_level); + NTXD, 0, 0, -1, 0, 0); dma_attach_err |= (NULL == wlc_hw->di[2]); /* * FIFO 3 @@ -1192,7 +1190,7 @@ static bool brcms_b_attach_dmapio(struct brcms_c_info *wlc, uint j, bool wme) wlc_hw->di[3] = dma_attach(name, wlc, dmareg(DMA_TX, 3), 0, NTXD, 0, 0, -1, - 0, 0, &brcm_msg_level); + 0, 0); dma_attach_err |= (NULL == wlc_hw->di[3]); /* Cleaner to leave this as if with AP defined */ diff --git a/drivers/net/wireless/brcm80211/include/defs.h b/drivers/net/wireless/brcm80211/include/defs.h index 12dd33f..54ffe7f 100644 --- a/drivers/net/wireless/brcm80211/include/defs.h +++ b/drivers/net/wireless/brcm80211/include/defs.h @@ -84,6 +84,7 @@ #define BRCM_DL_RX 0x00000004 #define BRCM_DL_TX 0x00000008 #define BRCM_DL_INT 0x00000010 +#define BRCM_DL_DMA 0x00000020 #define PM_OFF 0 #define PM_MAX 1 -- 1.7.9.5