From ef24adc26f1c2712b9bc759116b30f721a7a5b61 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Fri, 28 Sep 2007 09:48:14 -0700 Subject: sky2: fix transmit state on resume Already upstream. After resume, driver has reset the chip so the current state of transmit checksum offload state machine and DMA state machine will be undefined. The fix is to set the state so that first Tx will set MSS and offset values. Signed-off-by: Stephen Hemminger Signed-off-by: Greg Kroah-Hartman --- drivers/net/sky2.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index d9c8b9f692b7..607b1a3228d5 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -831,6 +831,20 @@ static inline struct sky2_tx_le *get_tx_le(struct sky2_port *sky2) return le; } +static void tx_init(struct sky2_port *sky2) +{ + struct sky2_tx_le *le; + + sky2->tx_prod = sky2->tx_cons = 0; + sky2->tx_tcpsum = 0; + sky2->tx_last_mss = 0; + + le = get_tx_le(sky2); + le->addr = 0; + le->opcode = OP_ADDR64 | HW_OWNER; + sky2->tx_addr64 = 0; +} + static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2, struct sky2_tx_le *le) { @@ -1244,7 +1258,8 @@ static int sky2_up(struct net_device *dev) GFP_KERNEL); if (!sky2->tx_ring) goto err_out; - sky2->tx_prod = sky2->tx_cons = 0; + + tx_init(sky2); sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES, &sky2->rx_le_map); -- cgit v1.2.3