From 8c6e30936a7893a85f6222084f0f26aceb81137a Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Fri, 26 Oct 2012 00:31:11 +0200 Subject: ath9k: fix stale pointers potentially causing access to free'd skbs bf->bf_next is only while buffers are chained as part of an A-MPDU in the tx queue. When a tid queue is flushed (e.g. on tearing down an aggregation session), frames can be enqueued again as normal transmission, without bf_next being cleared. This can lead to the old pointer being dereferenced again later. This patch might fix crashes and "Failed to stop TX DMA!" messages. Signed-off-by: Felix Fietkau Cc: stable@vger.kernel.org Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/xmit.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 378bd70256b2..1ffca7511fa8 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -312,6 +312,7 @@ static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc) } bf = list_first_entry(&sc->tx.txbuf, struct ath_buf, list); + bf->bf_next = NULL; list_del(&bf->list); spin_unlock_bh(&sc->tx.txbuflock); @@ -1774,6 +1775,7 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq, list_add_tail(&bf->list, &bf_head); bf->bf_state.bf_type = 0; + bf->bf_next = NULL; bf->bf_lastbf = bf; ath_tx_fill_desc(sc, bf, txq, fi->framelen); ath_tx_txqaddbuf(sc, txq, &bf_head, false); -- cgit v1.2.3 From bf7e1abe434ba9e22e8dc04a4cba4ab504b788b8 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Thu, 25 Oct 2012 09:51:39 +0200 Subject: rt2800: validate step value for temperature compensation Some hardware has correct (!= 0xff) value of tssi_bounds[4] in the EEPROM, but step is equal to 0xff. This results on ridiculous delta calculations and completely broke TX power settings. Reported-and-tested-by: Pavel Lucik Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka Acked-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800lib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 01dc8891070c..59474ae0aec0 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2449,7 +2449,7 @@ static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev) /* * Check if temperature compensation is supported. */ - if (tssi_bounds[4] == 0xff) + if (tssi_bounds[4] == 0xff || step == 0xff) return 0; /* -- cgit v1.2.3 From 6fe7cc71bbf3a0bc28c9cec3c00bc11e81344412 Mon Sep 17 00:00:00 2001 From: Sven Eckelmann Date: Mon, 29 Oct 2012 13:25:20 +0100 Subject: ath9k: Test for TID only in BlockAcks while checking tx status The ath9k xmit functions for AMPDUs can send frames as non-aggregate in case only one frame is currently available. The client will then answer using a normal Ack instead of a BlockAck. This acknowledgement has no TID stored and therefore the hardware is not able to provide us the corresponding TID. The TID set by the hardware in the tx status descriptor has to be seen as undefined and not as a valid TID value for normal acknowledgements. Doing otherwise results in a massive amount of retransmissions and stalls of connections. Users may experience low bandwidth and complete connection stalls in environments with transfers using multiple TIDs. This regression was introduced in b11b160defc48e4daa283f785192ea3a23a51f8e ("ath9k: validate the TID in the tx status information"). Signed-off-by: Sven Eckelmann Signed-off-by: Simon Wunderlich Cc: stable@vger.kernel.org Acked-by: Felix Fietkau Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/xmit.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 1ffca7511fa8..741918a2027b 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -394,7 +394,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0, seq_first; u32 ba[WME_BA_BMP_SIZE >> 5]; int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0; - bool rc_update = true; + bool rc_update = true, isba; struct ieee80211_tx_rate rates[4]; struct ath_frame_info *fi; int nframes; @@ -438,13 +438,17 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; tid = ATH_AN_2_TID(an, tidno); seq_first = tid->seq_start; + isba = ts->ts_flags & ATH9K_TX_BA; /* * The hardware occasionally sends a tx status for the wrong TID. * In this case, the BA status cannot be considered valid and all * subframes need to be retransmitted + * + * Only BlockAcks have a TID and therefore normal Acks cannot be + * checked */ - if (tidno != ts->tid) + if (isba && tidno != ts->tid) txok = false; isaggr = bf_isaggr(bf); -- cgit v1.2.3 From 3c172868cbbe3eb138fd57bb346c77dffb22b182 Mon Sep 17 00:00:00 2001 From: stephen hemminger Date: Fri, 26 Oct 2012 06:24:34 +0000 Subject: vxlan: don't expire permanent entries VXLAN confused flag versus bitmap on state. Based on part of a earlier patch by David Stevens. Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- drivers/net/vxlan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 607976c00162..7b4adde93c01 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -816,7 +816,7 @@ static void vxlan_cleanup(unsigned long arg) = container_of(p, struct vxlan_fdb, hlist); unsigned long timeout; - if (f->state == NUD_PERMANENT) + if (f->state & NUD_PERMANENT) continue; timeout = f->used + vxlan->age_interval * HZ; -- cgit v1.2.3 From 50f8d35de8ba4af311ea1176c534e8b73bb198e5 Mon Sep 17 00:00:00 2001 From: Jacob Keller Date: Wed, 31 Oct 2012 22:30:54 +0000 Subject: ixgbe: PTP get_ts_info missing software support This patch corrects the ethtool get_ts_info functon which did not state that software timestamping was supported, even though it is. Signed-off-by: Jacob Keller CC: Stable [3.5] Tested-by: Stephen Ko Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index 56b20d17d0e4..116f0e901bee 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -2673,6 +2673,9 @@ static int ixgbe_get_ts_info(struct net_device *dev, case ixgbe_mac_X540: case ixgbe_mac_82599EB: info->so_timestamping = + SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE | SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE; -- cgit v1.2.3 From b457bcb97212c38154d941d88c13f5f63f3620d0 Mon Sep 17 00:00:00 2001 From: Yaniv Rosner Date: Wed, 31 Oct 2012 05:46:52 +0000 Subject: bnx2x: Fix 57810 1G-KR link against certain switches. Fix 1G KR link by restoring CL72 misc control register to default value rather than 0. Signed-off-by: Yaniv Rosner Signed-off-by: Barak Witkowski Signed-off-by: Dmitry Kravkov Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index e2e45ee5df33..290e12a8d024 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -3545,12 +3545,11 @@ static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy, static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { - u16 val16 = 0, lane, i; + u16 val16 = 0, lane, i, cl72_ctrl; struct bnx2x *bp = params->bp; static struct bnx2x_reg_set reg_set[] = { {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0}, {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff}, {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555}, {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0}, @@ -3565,6 +3564,13 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, reg_set[i].val); + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl); + cl72_ctrl &= 0xf8ff; + cl72_ctrl |= 0x3800; + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl); + /* Check adding advertisement for 1G KX */ if (((vars->line_speed == SPEED_AUTO_NEG) && (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || -- cgit v1.2.3 From a75bb0010026f39910cd01d33a5baa47191539a0 Mon Sep 17 00:00:00 2001 From: Yaniv Rosner Date: Wed, 31 Oct 2012 05:46:53 +0000 Subject: bnx2x: Fix link down in 57712 following LFA In case of link flap avoidance between PXE boot and bnx2x, set the appropriate PHY DEVAD even if LFA kicks in. Signed-off-by: Yaniv Rosner Signed-off-by: Barak Witkowski Signed-off-by: Dmitry Kravkov Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 290e12a8d024..f2436ea641a6 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -3295,6 +3295,21 @@ static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port) DEFAULT_PHY_DEV_ADDR); } +static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy, + struct link_params *params, + u32 action) +{ + struct bnx2x *bp = params->bp; + switch (action) { + case PHY_INIT: + /* Set correct devad */ + REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0); + REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18, + phy->def_md_devad); + break; + } +} + static void bnx2x_xgxs_deassert(struct link_params *params) { struct bnx2x *bp = params->bp; @@ -3309,10 +3324,8 @@ static void bnx2x_xgxs_deassert(struct link_params *params) REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); udelay(500); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); - - REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0); - REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, - params->phy[INT_PHY].def_md_devad); + bnx2x_xgxs_specific_func(¶ms->phy[INT_PHY], params, + PHY_INIT); } static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy, @@ -10999,7 +11012,7 @@ static struct bnx2x_phy phy_xgxs = { .format_fw_ver = (format_fw_ver_t)NULL, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)NULL, - .phy_specific_func = (phy_specific_func_t)NULL + .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func }; static struct bnx2x_phy phy_warpcore = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, -- cgit v1.2.3 From cd1a26a3bbc797100c55594bac0546204ccb1107 Mon Sep 17 00:00:00 2001 From: Yaniv Rosner Date: Wed, 31 Oct 2012 05:46:54 +0000 Subject: bnx2x: Restore global registers back to default. Several KR registers were not set correctly back to default after loopback test, so set those global registers over the global WC lane (zero) rather than the current lane. Signed-off-by: Yaniv Rosner Signed-off-by: Barak Witkowski Signed-off-by: Dmitry Kravkov Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 78 +++++++++++++++++------- 1 file changed, 56 insertions(+), 22 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index f2436ea641a6..5e8f7b7a8f65 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -3558,13 +3558,11 @@ static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy, static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { - u16 val16 = 0, lane, i, cl72_ctrl; + u16 lane, i, cl72_ctrl, an_adv = 0; + u16 ucode_ver; struct bnx2x *bp = params->bp; static struct bnx2x_reg_set reg_set[] = { {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, - {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff}, - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555}, {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0}, {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415}, {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190}, @@ -3589,7 +3587,7 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || (vars->line_speed == SPEED_1000)) { u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2; - val16 |= (1<<5); + an_adv |= (1<<5); /* Enable CL37 1G Parallel Detect */ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1); @@ -3599,11 +3597,14 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || (vars->line_speed == SPEED_10000)) { /* Check adding advertisement for 10G KR */ - val16 |= (1<<7); + an_adv |= (1<<7); /* Enable 10G Parallel Detect */ + CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, + MDIO_AER_BLOCK_AER_REG, 0); + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 1); - + bnx2x_set_aer_mmd(params, phy); DP(NETIF_MSG_LINK, "Advertize 10G\n"); } @@ -3623,7 +3624,7 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, /* Advertised speeds */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, - MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16); + MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv); /* Advertised and set FEC (Forward Error Correction) */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, @@ -3647,9 +3648,10 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, /* Set KR Autoneg Work-Around flag for Warpcore version older than D108 */ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, - MDIO_WC_REG_UC_INFO_B1_VERSION, &val16); - if (val16 < 0xd108) { - DP(NETIF_MSG_LINK, "Enable AN KR work-around\n"); + MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver); + if (ucode_ver < 0xd108) { + DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n", + ucode_ver); vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; } bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, @@ -3670,21 +3672,16 @@ static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy, struct link_vars *vars) { struct bnx2x *bp = params->bp; - u16 i; + u16 val16, i, lane; static struct bnx2x_reg_set reg_set[] = { /* Disable Autoneg */ {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, - {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00}, {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0}, {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0}, {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1}, {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa}, - /* Disable CL36 PCS Tx */ - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0}, - /* Double Wide Single Data Rate @ pll rate */ - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF}, /* Leave cl72 training enable, needed for KR */ {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150, @@ -3695,11 +3692,24 @@ static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, reg_set[i].val); - /* Leave CL72 enabled */ - bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, - MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, - 0x3800); + lane = bnx2x_get_warpcore_lane(phy, params); + /* Global registers */ + CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, + MDIO_AER_BLOCK_AER_REG, 0); + /* Disable CL36 PCS Tx */ + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16); + val16 &= ~(0x0011 << lane); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16); + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16); + val16 |= (0x0303 << (lane << 1)); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16); + /* Restore AER */ + bnx2x_set_aer_mmd(params, phy); /* Set speed via PMA/PMD register */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040); @@ -4322,7 +4332,7 @@ static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; - u16 val16; + u16 val16, lane; bnx2x_sfp_e3_set_transmitter(params, phy, 0); bnx2x_set_mdio_clk(bp, params->chip_id, params->port); bnx2x_set_aer_mmd(params, phy); @@ -4359,6 +4369,30 @@ static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy, MDIO_WC_REG_XGXSBLK1_LANECTRL2, val16 & 0xff00); + lane = bnx2x_get_warpcore_lane(phy, params); + /* Disable CL36 PCS Tx */ + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16); + val16 |= (0x11 << lane); + if (phy->flags & FLAGS_WC_DUAL_MODE) + val16 |= (0x22 << lane); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16); + + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16); + val16 &= ~(0x0303 << (lane << 1)); + val16 |= (0x0101 << (lane << 1)); + if (phy->flags & FLAGS_WC_DUAL_MODE) { + val16 &= ~(0x0c0c << (lane << 1)); + val16 |= (0x0404 << (lane << 1)); + } + + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16); + /* Restore AER */ + bnx2x_set_aer_mmd(params, phy); + } static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy, -- cgit v1.2.3 From 4978140c38958b15b3b95a49bda688723fa014eb Mon Sep 17 00:00:00 2001 From: Yaniv Rosner Date: Wed, 31 Oct 2012 05:46:55 +0000 Subject: bnx2x: Fix potential incorrect link speed provision Fix possible incorrect link speed provision following rapid link speed change. Clear link speed mask after each link change, and not only after link down. Signed-off-by: Yaniv Rosner Signed-off-by: Barak Witkowski Signed-off-by: Dmitry Kravkov Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 5e8f7b7a8f65..308ba42dfd56 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -137,7 +137,16 @@ #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD - +#define LINK_UPDATE_MASK \ + (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \ + LINK_STATUS_LINK_UP | \ + LINK_STATUS_PHYSICAL_LINK_FLAG | \ + LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \ + LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \ + LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \ + LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \ + LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \ + LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE) #define SFP_EEPROM_CON_TYPE_ADDR 0x2 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7 @@ -6349,15 +6358,7 @@ static int bnx2x_update_link_down(struct link_params *params, vars->mac_type = MAC_TYPE_NONE; /* Update shared memory */ - vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK | - LINK_STATUS_LINK_UP | - LINK_STATUS_PHYSICAL_LINK_FLAG | - LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | - LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | - LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | - LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | - LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | - LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE); + vars->link_status &= ~LINK_UPDATE_MASK; vars->line_speed = 0; bnx2x_update_mng(params, vars->link_status); @@ -6505,6 +6506,7 @@ int bnx2x_link_update(struct link_params *params, struct link_vars *vars) u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed; u8 active_external_phy = INT_PHY; vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG; + vars->link_status &= ~LINK_UPDATE_MASK; for (phy_index = INT_PHY; phy_index < params->num_phys; phy_index++) { phy_vars[phy_index].flow_ctrl = 0; -- cgit v1.2.3 From e82041df5d0a85457880fbbe00da057443b3fcc0 Mon Sep 17 00:00:00 2001 From: Yaniv Rosner Date: Wed, 31 Oct 2012 05:46:56 +0000 Subject: bnx2x: Fix unrecognized SFP+ module after driver is loaded When SFP+ module is plugged in after driver is already loaded, it may not be recognized, so set SFP module recognition time up to 300ms, without resetting the module power in the middle. Signed-off-by: Yaniv Rosner Signed-off-by: Barak Witkowski Signed-off-by: Dmitry Kravkov Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 22 +++++++++++++++------- 1 file changed, 15 insertions(+), 7 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 308ba42dfd56..679d45e09805 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -7634,7 +7634,7 @@ static void bnx2x_warpcore_power_module(struct link_params *params, static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy, struct link_params *params, u16 addr, u8 byte_cnt, - u8 *o_buf) + u8 *o_buf, u8 is_init) { int rc = 0; u8 i, j = 0, cnt = 0; @@ -7651,10 +7651,10 @@ static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy, /* 4 byte aligned address */ addr32 = addr & (~0x3); do { - if (cnt == I2C_WA_PWR_ITER) { + if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) { bnx2x_warpcore_power_module(params, phy, 0); /* Note that 100us are not enough here */ - usleep_range(1000,1000); + usleep_range(1000, 2000); bnx2x_warpcore_power_module(params, phy, 1); } rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt, @@ -7774,7 +7774,7 @@ int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy, break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr, - byte_cnt, o_buf); + byte_cnt, o_buf, 0); break; } return rc; @@ -7978,6 +7978,7 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, { u8 val; + int rc; struct bnx2x *bp = params->bp; u16 timeout; /* Initialization time after hot-plug may take up to 300ms for @@ -7985,8 +7986,14 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, */ for (timeout = 0; timeout < 60; timeout++) { - if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val) - == 0) { + if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) + rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, + params, 1, + 1, &val, 1); + else + rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, + &val); + if (rc == 0) { DP(NETIF_MSG_LINK, "SFP+ module initialization took %d ms\n", timeout * 5); @@ -7994,7 +8001,8 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, } usleep_range(5000, 10000); } - return -EINVAL; + rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val); + return rc; } static void bnx2x_8727_power_module(struct bnx2x *bp, -- cgit v1.2.3 From 03c31488a084b344cd04bb853db97706143327b9 Mon Sep 17 00:00:00 2001 From: Yaniv Rosner Date: Wed, 31 Oct 2012 05:46:57 +0000 Subject: bnx2x: Fix no link on 577xx 10G-baseT Since the Warpcore supports various link types, need to set only the correct supported modes for XFI which is the serdes interface for the 10G-baseT PHY. Signed-off-by: Yaniv Rosner Signed-off-by: Barak Witkowski Signed-off-by: Dmitry Kravkov Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 679d45e09805..6dd0dd076cc5 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -11528,6 +11528,11 @@ static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port, phy->media_type = ETH_PHY_BASE_T; break; case PORT_HW_CFG_NET_SERDES_IF_XFI: + phy->supported &= (SUPPORTED_1000baseT_Full | + SUPPORTED_10000baseT_Full | + SUPPORTED_FIBRE | + SUPPORTED_Pause | + SUPPORTED_Asym_Pause); phy->media_type = ETH_PHY_XFP_FIBER; break; case PORT_HW_CFG_NET_SERDES_IF_SFI: -- cgit v1.2.3 From 477864ddd36510e9802c2adb6d9445c2d7783fe5 Mon Sep 17 00:00:00 2001 From: Dmitry Kravkov Date: Wed, 31 Oct 2012 05:46:58 +0000 Subject: bnx2x: Disable FCoE for 57840 since not yet supported by FW Signed-off-by: Dmitry Kravkov Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index d5648fc666bd..f23e8c022954 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -11902,7 +11902,15 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, /* disable FCOE L2 queue for E1x */ if (CHIP_IS_E1x(bp)) bp->flags |= NO_FCOE_FLAG; - + /* disable FCOE for 57840 device, until FW supports it */ + switch (ent->driver_data) { + case BCM57840_O: + case BCM57840_4_10: + case BCM57840_2_20: + case BCM57840_MFO: + case BCM57840_MF: + bp->flags |= NO_FCOE_FLAG; + } #endif -- cgit v1.2.3 From eb6e98a1b25fb0f347fece9814257a9e1cb537c8 Mon Sep 17 00:00:00 2001 From: "nikolay@redhat.com" Date: Wed, 31 Oct 2012 04:42:51 +0000 Subject: bonding: fix off-by-one error Fix off-by-one error because IFNAMSIZ == 16 and when this code gets executed we stick a NULL byte where we should not. How to reproduce: with CONFIG_CC_STACKPROTECTOR=y (otherwise it may pass by silently) modprobe bonding; echo 1 > /sys/class/net/bond0/bonding/mode; echo "AAAAAAAAAAAAAAAA" > /sys/class/net/bond0/bonding/primary; Signed-off-by: Nikolay Aleksandrov Signed-off-by: David S. Miller --- drivers/net/bonding/bond_sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index dc15d248443f..238d9b3e2252 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -1060,7 +1060,7 @@ static ssize_t bonding_store_primary(struct device *d, goto out; } - sscanf(buf, "%16s", ifname); /* IFNAMSIZ */ + sscanf(buf, "%15s", ifname); /* IFNAMSIZ */ /* check to see if we are clearing primary */ if (!strlen(ifname) || buf[0] == '\n') { -- cgit v1.2.3 From c84e1590d149cfc885062e938944941f33e69f38 Mon Sep 17 00:00:00 2001 From: "nikolay@redhat.com" Date: Wed, 31 Oct 2012 06:03:52 +0000 Subject: bonding: fix second off-by-one error Fix off-by-one error because IFNAMSIZ == 16 and when this code gets executed we stick a NULL byte where we should not. How to reproduce: with CONFIG_CC_STACKPROTECTOR=y (otherwise it may pass by silently) modprobe bonding; echo 1 > /sys/class/net/bond0/bonding/mode; echo "AAAAAAAAAAAAAAAA" > /sys/class/net/bond0/bonding/active_slave; Signed-off-by: Nikolay Aleksandrov Note: Sorry for the second patch but I missed this one while checking the file. You can squash them into one patch. Signed-off-by: David S. Miller --- drivers/net/bonding/bond_sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 238d9b3e2252..ef8d2a080d17 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -1237,7 +1237,7 @@ static ssize_t bonding_store_active_slave(struct device *d, goto out; } - sscanf(buf, "%16s", ifname); /* IFNAMSIZ */ + sscanf(buf, "%15s", ifname); /* IFNAMSIZ */ /* check to see if we are clearing active */ if (!strlen(ifname) || buf[0] == '\n') { -- cgit v1.2.3 From 2b674047bef23d49a7ca8ec32f4b9e4e12588621 Mon Sep 17 00:00:00 2001 From: Dmitry Kravkov Date: Sun, 28 Oct 2012 21:59:04 +0000 Subject: bnx2x: fix HW initialization using fw 7.8.x Since commit 96bed4b9 (use FW 7.8.2) BRB HW block needs to be initialized using fw values for all devices. Otherwise ETS on 57712/578xx will not work. Signed-off-by: Dmitry Kravkov Signed-off-by: Ariel Elior Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index f23e8c022954..bd1fd3d87c24 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -6794,8 +6794,9 @@ static int bnx2x_init_hw_port(struct bnx2x *bp) bnx2x_init_block(bp, BLOCK_DORQ, init_phase); + bnx2x_init_block(bp, BLOCK_BRB1, init_phase); + if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) { - bnx2x_init_block(bp, BLOCK_BRB1, init_phase); if (IS_MF(bp)) low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246); -- cgit v1.2.3 From 57c10b61c84bfed68b1b317d6f507a392724b9c4 Mon Sep 17 00:00:00 2001 From: Peter Senna Tschudin Date: Sun, 28 Oct 2012 06:12:00 +0000 Subject: drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0 Calling mdiobus_free without calling mdiobus_unregister causes BUG_ON(). This patch fixes the issue. The semantic patch that found this issue(http://coccinelle.lip6.fr/): // @@ expression E; @@ ... when != mdiobus_unregister(E); + mdiobus_unregister(E); mdiobus_free(E); // Signed-off-by: Peter Senna Tschudin Tested-by: Roland Stigge Tested-by: Alexandre Pereira da Silva Signed-off-by: David S. Miller --- drivers/net/ethernet/nxp/lpc_eth.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index 53743f7a2ca9..af8b4142088c 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -1524,6 +1524,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev) pldat->dma_buff_base_p); free_irq(ndev->irq, ndev); iounmap(pldat->net_base); + mdiobus_unregister(pldat->mii_bus); mdiobus_free(pldat->mii_bus); clk_disable(pldat->clk); clk_put(pldat->clk); -- cgit v1.2.3 From aa731872f7d33dcb8b54dad0cfb82d4e4d195d7e Mon Sep 17 00:00:00 2001 From: Peter Senna Tschudin Date: Sun, 28 Oct 2012 06:12:01 +0000 Subject: drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus_free Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0 Calling mdiobus_free without calling mdiobus_unregister causes BUG_ON(). This patch fixes the issue. The semantic patch that found this issue(http://coccinelle.lip6.fr/): // @@ expression E; @@ ... when != mdiobus_unregister(E); + mdiobus_unregister(E); mdiobus_free(E); // Signed-off-by: Peter Senna Tschudin Signed-off-by: David S. Miller --- drivers/net/phy/mdio-bitbang.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net') diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c index daec9b05d168..6428fcbbdd4b 100644 --- a/drivers/net/phy/mdio-bitbang.c +++ b/drivers/net/phy/mdio-bitbang.c @@ -234,6 +234,7 @@ void free_mdio_bitbang(struct mii_bus *bus) struct mdiobb_ctrl *ctrl = bus->priv; module_put(ctrl->ops->owner); + mdiobus_unregister(bus); mdiobus_free(bus); } EXPORT_SYMBOL(free_mdio_bitbang); -- cgit v1.2.3 From e3c98512780ae2cfb90be2152ab35294439bb7bb Mon Sep 17 00:00:00 2001 From: Vipul Pandya Date: Mon, 29 Oct 2012 02:02:36 +0000 Subject: cxgb4: Fix unable to get UP event from the LLD If T4 configuration file gets loaded from the /lib/firmware/cxgb4/ directory then offload capabilities of the cards were getting disabled during initialization. Hence ULDs do not get an UP event from the LLD. Signed-off-by: Jay Hernandez Signed-off-by: Vipul Pandya Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index c1cde11b0c6d..0df1284df497 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -3415,16 +3415,6 @@ static int adap_init0_config(struct adapter *adapter, int reset) "mismatch: [fini] csum=%#x, computed csum=%#x\n", finicsum, cfcsum); - /* - * If we're a pure NIC driver then disable all offloading facilities. - * This will allow the firmware to optimize aspects of the hardware - * configuration which will result in improved performance. - */ - caps_cmd.ofldcaps = 0; - caps_cmd.iscsicaps = 0; - caps_cmd.rdmacaps = 0; - caps_cmd.fcoecaps = 0; - /* * And now tell the firmware to use the configuration we just loaded. */ -- cgit v1.2.3 From a4d7e485bca65bd516fced77b03f92419308df72 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Mon, 29 Oct 2012 07:30:49 +0000 Subject: vmxnet3: must split too big fragments vmxnet3 has a 16Kbytes limit per tx descriptor, that happened to work as long as we provided PAGE_SIZE fragments. Our stack can now build larger fragments, so we need to split them to the 16kbytes boundary. Signed-off-by: Eric Dumazet Reported-by: jongman heo Tested-by: jongman heo Cc: Shreyas Bhatewara Reviewed-by: Bhavesh Davda Signed-off-by: Shreyas Bhatewara Signed-off-by: David S. Miller --- drivers/net/vmxnet3/vmxnet3_drv.c | 65 +++++++++++++++++++++++++++------------ 1 file changed, 45 insertions(+), 20 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index ce9d4f2c9776..0ae1bcc6da73 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -744,28 +744,43 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx, for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; + u32 buf_size; - tbi = tq->buf_info + tq->tx_ring.next2fill; - tbi->map_type = VMXNET3_MAP_PAGE; - tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag, - 0, skb_frag_size(frag), - DMA_TO_DEVICE); + buf_offset = 0; + len = skb_frag_size(frag); + while (len) { + tbi = tq->buf_info + tq->tx_ring.next2fill; + if (len < VMXNET3_MAX_TX_BUF_SIZE) { + buf_size = len; + dw2 |= len; + } else { + buf_size = VMXNET3_MAX_TX_BUF_SIZE; + /* spec says that for TxDesc.len, 0 == 2^14 */ + } + tbi->map_type = VMXNET3_MAP_PAGE; + tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag, + buf_offset, buf_size, + DMA_TO_DEVICE); - tbi->len = skb_frag_size(frag); + tbi->len = buf_size; - gdesc = tq->tx_ring.base + tq->tx_ring.next2fill; - BUG_ON(gdesc->txd.gen == tq->tx_ring.gen); + gdesc = tq->tx_ring.base + tq->tx_ring.next2fill; + BUG_ON(gdesc->txd.gen == tq->tx_ring.gen); - gdesc->txd.addr = cpu_to_le64(tbi->dma_addr); - gdesc->dword[2] = cpu_to_le32(dw2 | skb_frag_size(frag)); - gdesc->dword[3] = 0; + gdesc->txd.addr = cpu_to_le64(tbi->dma_addr); + gdesc->dword[2] = cpu_to_le32(dw2); + gdesc->dword[3] = 0; - dev_dbg(&adapter->netdev->dev, - "txd[%u]: 0x%llu %u %u\n", - tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr), - le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]); - vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); - dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; + dev_dbg(&adapter->netdev->dev, + "txd[%u]: 0x%llu %u %u\n", + tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr), + le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]); + vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); + dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; + + len -= buf_size; + buf_offset += buf_size; + } } ctx->eop_txd = gdesc; @@ -886,6 +901,18 @@ vmxnet3_prepare_tso(struct sk_buff *skb, } } +static int txd_estimate(const struct sk_buff *skb) +{ + int count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + 1; + int i; + + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; + + count += VMXNET3_TXD_NEEDED(skb_frag_size(frag)); + } + return count; +} /* * Transmits a pkt thru a given tq @@ -914,9 +941,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, union Vmxnet3_GenericDesc tempTxDesc; #endif - /* conservatively estimate # of descriptors to use */ - count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + - skb_shinfo(skb)->nr_frags + 1; + count = txd_estimate(skb); ctx.ipv4 = (vlan_get_protocol(skb) == cpu_to_be16(ETH_P_IP)); -- cgit v1.2.3 From 175c0dffef310fc7d7f026ca4a7682beb2fbd8ec Mon Sep 17 00:00:00 2001 From: Xiaotian Feng Date: Wed, 31 Oct 2012 00:29:57 +0000 Subject: drivers/net: use tasklet_kill in device remove/close process Some driver uses tasklet_disable in device remove/close process, tasklet_disable will inc tasklet->count and return. If the tasklet is not handled yet because some softirq pressure, the tasklet will placed on the tasklet_vec, never have a chance to excute. This might lead to ksoftirqd heavy loaded, wakeup with pending_softirq, but tasklet is disabled. tasklet_kill should be used in this case. Signed-off-by: Xiaotian Feng Cc: "David S. Miller" Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller --- drivers/net/ethernet/jme.c | 8 ++++---- drivers/net/ethernet/marvell/skge.c | 2 +- drivers/net/ethernet/micrel/ksz884x.c | 4 ++-- drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 2 +- drivers/net/wireless/b43legacy/pio.c | 2 +- 5 files changed, 9 insertions(+), 9 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index f8064df10cc4..92317e9c0f73 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -1948,10 +1948,10 @@ jme_close(struct net_device *netdev) JME_NAPI_DISABLE(jme); - tasklet_disable(&jme->linkch_task); - tasklet_disable(&jme->txclean_task); - tasklet_disable(&jme->rxclean_task); - tasklet_disable(&jme->rxempty_task); + tasklet_kill(&jme->linkch_task); + tasklet_kill(&jme->txclean_task); + tasklet_kill(&jme->rxclean_task); + tasklet_kill(&jme->rxempty_task); jme_disable_rx_engine(jme); jme_disable_tx_engine(jme); diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index 9b9c2ac5c4c2..d19a143aa5a8 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -4026,7 +4026,7 @@ static void __devexit skge_remove(struct pci_dev *pdev) dev0 = hw->dev[0]; unregister_netdev(dev0); - tasklet_disable(&hw->phy_task); + tasklet_kill(&hw->phy_task); spin_lock_irq(&hw->hw_lock); hw->intr_mask = 0; diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index 318fee91c79d..e558edd1cb6c 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -5407,8 +5407,8 @@ static int netdev_close(struct net_device *dev) /* Delay for receive task to stop scheduling itself. */ msleep(2000 / HZ); - tasklet_disable(&hw_priv->rx_tasklet); - tasklet_disable(&hw_priv->tx_tasklet); + tasklet_kill(&hw_priv->rx_tasklet); + tasklet_kill(&hw_priv->tx_tasklet); free_irq(dev->irq, hw_priv->dev); transmit_cleanup(hw_priv, 0); diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 0793299bd39e..1d04754a6637 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -990,7 +990,7 @@ static int axienet_stop(struct net_device *ndev) axienet_setoptions(ndev, lp->options & ~(XAE_OPTION_TXEN | XAE_OPTION_RXEN)); - tasklet_disable(&lp->dma_err_tasklet); + tasklet_kill(&lp->dma_err_tasklet); free_irq(lp->tx_irq, ndev); free_irq(lp->rx_irq, ndev); diff --git a/drivers/net/wireless/b43legacy/pio.c b/drivers/net/wireless/b43legacy/pio.c index 192251adf986..282eedec675e 100644 --- a/drivers/net/wireless/b43legacy/pio.c +++ b/drivers/net/wireless/b43legacy/pio.c @@ -382,7 +382,7 @@ static void cancel_transfers(struct b43legacy_pioqueue *queue) { struct b43legacy_pio_txpacket *packet, *tmp_packet; - tasklet_disable(&queue->txtask); + tasklet_kill(&queue->txtask); list_for_each_entry_safe(packet, tmp_packet, &queue->txrunning, list) free_txpacket(packet, 0); -- cgit v1.2.3 From b00e69dee4ccbb3a19989e3d4f1385bc2e3406cd Mon Sep 17 00:00:00 2001 From: Cyril Brulebois Date: Wed, 31 Oct 2012 14:00:46 +0000 Subject: r8169: Fix WoL on RTL8168d/8111d. This regression was spotted between Debian squeeze and Debian wheezy kernels (respectively based on 2.6.32 and 3.2). More info about Wake-on-LAN issues with Realtek's 816x chipsets can be found in the following thread: http://marc.info/?t=132079219400004 Probable regression from d4ed95d796e5126bba51466dc07e287cebc8bd19; more chipsets are likely affected. Tested on top of a 3.2.23 kernel. Reported-by: Florent Fourcot Tested-by: Florent Fourcot Hinted-by: Francois Romieu Signed-off-by: Cyril Brulebois Signed-off-by: David S. Miller --- drivers/net/ethernet/realtek/r8169.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index e7ff886e8047..eb6a5e4ca4c8 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -3827,6 +3827,8 @@ static void rtl_wol_suspend_quirk(struct rtl8169_private *tp) void __iomem *ioaddr = tp->mmio_addr; switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_25: + case RTL_GIGA_MAC_VER_26: case RTL_GIGA_MAC_VER_29: case RTL_GIGA_MAC_VER_30: case RTL_GIGA_MAC_VER_32: -- cgit v1.2.3 From 0481776b7a70f09acf7d9d97c288c3a8403fbfe4 Mon Sep 17 00:00:00 2001 From: Nathan Walp Date: Thu, 1 Nov 2012 12:08:47 +0000 Subject: r8169: allow multicast packets on sub-8168f chipset. RTL_GIGA_MAC_VER_35 includes no multicast hardware filter. Signed-off-by: Nathan Walp Suggested-by: Hayes Wang Acked-by: Francois Romieu Signed-off-by: David S. Miller --- drivers/net/ethernet/realtek/r8169.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index eb6a5e4ca4c8..927aa33d4349 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -4521,6 +4521,9 @@ static void rtl_set_rx_mode(struct net_device *dev) mc_filter[1] = swab32(data); } + if (tp->mac_version == RTL_GIGA_MAC_VER_35) + mc_filter[1] = mc_filter[0] = 0xffffffff; + RTL_W32(MAR0 + 4, mc_filter[1]); RTL_W32(MAR0 + 0, mc_filter[0]); -- cgit v1.2.3 From 00acda68b587181546d68fb98db1c5c73ee6c16f Mon Sep 17 00:00:00 2001 From: Steve Glendinning Date: Fri, 2 Nov 2012 00:44:20 +0000 Subject: smsc95xx: fix tx checksum offload for big endian f7b2927 introduced tx checksum offload support for smsc95xx, and enabled it by default. This feature doesn't take endianness into account, so causes most tx to fail on those platforms. This patch fixes the problem fully by adding the missing conversion. An alternate workaround is to disable TX checksum offload on those platforms. The cpu impact of this feature is very low. Signed-off-by: Steve Glendinning Signed-off-by: David S. Miller --- drivers/net/usb/smsc95xx.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net') diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 7479a5761d0d..3286166415b4 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -1344,6 +1344,7 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev, } else { u32 csum_preamble = smsc95xx_calc_csum_preamble(skb); skb_push(skb, 4); + cpu_to_le32s(&csum_preamble); memcpy(skb->data, &csum_preamble, 4); } } -- cgit v1.2.3 From efc7ce0334b68387b48baf16a285a9b1d5c19256 Mon Sep 17 00:00:00 2001 From: Masanari Iida Date: Fri, 2 Nov 2012 04:36:17 +0000 Subject: net: bnx2x: Fix typo in bnx2x driver Correct spelling typo in bnx2x driver Signed-off-by: Masanari Iida Signed-off-by: David S. Miller --- drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c | 2 +- drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index c65295dded39..6e5bdd1a31d9 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -1702,7 +1702,7 @@ static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata) SHMEM_EEE_ADV_STATUS_SHIFT); if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) { DP(BNX2X_MSG_ETHTOOL, - "Direct manipulation of EEE advertisment is not supported\n"); + "Direct manipulation of EEE advertisement is not supported\n"); return -EINVAL; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index 6dd0dd076cc5..f6cfdc6cf20f 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -9941,7 +9941,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, else rc = bnx2x_8483x_disable_eee(phy, params, vars); if (rc) { - DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n"); + DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n"); return rc; } } else { @@ -12987,7 +12987,7 @@ static u8 bnx2x_analyze_link_error(struct link_params *params, DP(NETIF_MSG_LINK, "Analyze TX Fault\n"); break; default: - DP(NETIF_MSG_LINK, "Analyze UNKOWN\n"); + DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n"); } DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up, old_status, status); -- cgit v1.2.3 From 0062b15c107d756dd7c9e41d023e87f876320c97 Mon Sep 17 00:00:00 2001 From: Vipul Pandya Date: Tue, 6 Nov 2012 03:37:09 +0000 Subject: cxgb4: Initialize data structures before using. We should not assume reserve fields to be don't cares as fields may change. Clearing data structures before using. Signed-off-by: Jay Hernandez Signed-off-by: Vipul Pandya Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 32eec15fe4c2..01fa5b79162c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -2519,6 +2519,7 @@ int t4_fw_bye(struct adapter *adap, unsigned int mbox) { struct fw_bye_cmd c; + memset(&c, 0, sizeof(c)); INIT_CMD(c, BYE, WRITE); return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); } @@ -2535,6 +2536,7 @@ int t4_early_init(struct adapter *adap, unsigned int mbox) { struct fw_initialize_cmd c; + memset(&c, 0, sizeof(c)); INIT_CMD(c, INITIALIZE, WRITE); return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); } @@ -2551,6 +2553,7 @@ int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset) { struct fw_reset_cmd c; + memset(&c, 0, sizeof(c)); INIT_CMD(c, RESET, WRITE); c.val = htonl(reset); return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); @@ -3278,6 +3281,7 @@ int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, { struct fw_vi_enable_cmd c; + memset(&c, 0, sizeof(c)); c.op_to_viid = htonl(FW_CMD_OP(FW_VI_ENABLE_CMD) | FW_CMD_REQUEST | FW_CMD_EXEC | FW_VI_ENABLE_CMD_VIID(viid)); c.ien_to_len16 = htonl(FW_VI_ENABLE_CMD_LED | FW_LEN16(c)); -- cgit v1.2.3 From 0dad9e94bdb1e424c4feeed715dff2fe51528289 Mon Sep 17 00:00:00 2001 From: Vipul Pandya Date: Wed, 7 Nov 2012 03:45:46 +0000 Subject: cxgb4: Fix initialization of SGE_CONTROL register INGPADBOUNDARY_MASK is already shifted. No need to shift it again. On reloading a driver it was resulting in a bad SGE FL MTU sizes [1536, 9088] error. This only causes an issue on systems that have L1 cache size of 32B, 128B, 512B, 2048B or 4096B. Signed-off-by: Jay Hernandez Signed-off-by: Vipul Pandya Signed-off-by: David S. Miller --- drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 01fa5b79162c..730ae2cfa49e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -2831,7 +2831,7 @@ int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, HOSTPAGESIZEPF7(sge_hps)); t4_set_reg_field(adap, SGE_CONTROL, - INGPADBOUNDARY(INGPADBOUNDARY_MASK) | + INGPADBOUNDARY_MASK | EGRSTATUSPAGESIZE_MASK, INGPADBOUNDARY(fl_align_log - 5) | EGRSTATUSPAGESIZE(stat_len != 64)); -- cgit v1.2.3 From a66fe1653f4e81c007a68ca975067432a42df05b Mon Sep 17 00:00:00 2001 From: Ian Coolidge Date: Wed, 7 Nov 2012 14:39:19 +0000 Subject: net: usb: cdc_eem: Fix rx skb allocation for 802.1Q VLANs cdc_eem frames might need to contain 802.1Q VLAN Ethernet frames. URB/skb sizing from usbnet will default to the hard_mtu, so account for the VLAN header by expanding that via hard_header_len Signed-off-by: Ian Coolidge Signed-off-by: David S. Miller --- drivers/net/usb/cdc_eem.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c index c81e278629ff..08d55b6bf272 100644 --- a/drivers/net/usb/cdc_eem.c +++ b/drivers/net/usb/cdc_eem.c @@ -31,6 +31,7 @@ #include #include #include +#include /* @@ -92,7 +93,7 @@ static int eem_bind(struct usbnet *dev, struct usb_interface *intf) /* no jumbogram (16K) support for now */ - dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN; + dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN + VLAN_HLEN; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; return 0; -- cgit v1.2.3 From 9532021da6da48351ce48a079c673df8e3930b4a Mon Sep 17 00:00:00 2001 From: Steve Glendinning Date: Thu, 8 Nov 2012 06:26:21 +0000 Subject: usbnet: ratelimit kevent may have been dropped warnings when something goes wrong, a flood of these messages can be generated by usbnet (thousands per second). This doesn't generally *help* the condition so this patch ratelimits the rate of their generation. There's an underlying problem in usbnet's kevent deferral mechanism which needs fixing, specifically that events *can* get dropped and not handled. This patch doesn't address this, but just mitigates fallout caused by the current implemention. Signed-off-by: Steve Glendinning Signed-off-by: David S. Miller --- drivers/net/usb/usbnet.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'drivers/net') diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index cb04f900cc46..edb81ed06950 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -359,10 +359,12 @@ static enum skb_state defer_bh(struct usbnet *dev, struct sk_buff *skb, void usbnet_defer_kevent (struct usbnet *dev, int work) { set_bit (work, &dev->flags); - if (!schedule_work (&dev->kevent)) - netdev_err(dev->net, "kevent %d may have been dropped\n", work); - else + if (!schedule_work (&dev->kevent)) { + if (net_ratelimit()) + netdev_err(dev->net, "kevent %d may have been dropped\n", work); + } else { netdev_dbg(dev->net, "kevent %d scheduled\n", work); + } } EXPORT_SYMBOL_GPL(usbnet_defer_kevent); -- cgit v1.2.3 From 103cdd1d59e1ab6abccb049093239cc8e6295816 Mon Sep 17 00:00:00 2001 From: Wang Dongsheng Date: Fri, 9 Nov 2012 04:43:51 +0000 Subject: gianfar: ethernet vanishes after restoring from hibernation If a gianfar ethernet device is down prior to hibernating a system, it will no longer be present upon system restore. For example: ~# ifconfig eth0 down ~# echo disk > /sys/power/state ~# ifconfig eth0 up SIOCSIFFLAGS: No such device This happens because the restore function bails out early upon finding devices that were not up at hibernation. In doing so, it never gets to the netif_device_attach call at the end of the restore function. Adding the netif_device_attach as done here also makes the gfar_restore code consistent with what is done in the gfar_resume code. Cc: Claudiu Manoil Signed-off-by: Wang Dongsheng Signed-off-by: Paul Gortmaker Acked-by: Claudiu Manoil Signed-off-by: David S. Miller --- drivers/net/ethernet/freescale/gianfar.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 1d03dcdd5e56..19ac096cb07b 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -1353,8 +1353,11 @@ static int gfar_restore(struct device *dev) struct gfar_private *priv = dev_get_drvdata(dev); struct net_device *ndev = priv->ndev; - if (!netif_running(ndev)) + if (!netif_running(ndev)) { + netif_device_attach(ndev); + return 0; + } gfar_init_bds(ndev); init_registers(ndev); -- cgit v1.2.3