diff options
| author | Manish chopra <manish.chopra@qlogic.com> | 2013-01-30 12:47:15 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-30 20:34:50 -0500 |
| commit | 283c1c687051241e644af57bef7b6532cd65118a (patch) | |
| tree | 3f58307dc3dcc3dc32083746fa748a968b48fc14 /drivers/net/ethernet/qlogic | |
| parent | cdc84dda1e0214960df14aaee6708993b40e28f0 (diff) | |
| download | linux-3.10-283c1c687051241e644af57bef7b6532cd65118a.tar.gz linux-3.10-283c1c687051241e644af57bef7b6532cd65118a.tar.bz2 linux-3.10-283c1c687051241e644af57bef7b6532cd65118a.zip | |
qlcnic: driver LRO bug fix
o ipv4 address was not getting programmed properly because of
improper byte order conversion
Signed-off-by: Manish chopra <manish.chopra@qlogic.com>
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c | 18 | ||||
| -rw-r--r-- | drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c | 6 |
2 files changed, 19 insertions, 5 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c index 1e81e94b3c6..65233c84653 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c @@ -1399,7 +1399,7 @@ void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, int mode) { int err; - u32 temp; + u32 temp, temp_ip; struct qlcnic_cmd_args cmd; qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_IP_ADDR); @@ -1410,8 +1410,17 @@ void qlcnic_83xx_config_ipaddr(struct qlcnic_adapter *adapter, __be32 ip, temp = adapter->recv_ctx->context_id << 16; cmd.req.arg[1] = 2 | temp; } - cmd.req.arg[2] = ntohl(ip); + /* + * Adapter needs IP address in network byte order. + * But hardware mailbox registers go through writel(), hence IP address + * gets swapped on big endian architecture. + * To negate swapping of writel() on big endian architecture + * use swab32(value). + */ + + temp_ip = swab32(ntohl(ip)); + memcpy(&cmd.req.arg[2], &temp_ip, sizeof(u32)); err = qlcnic_issue_cmd(adapter, &cmd); if (err != QLCNIC_RCODE_SUCCESS) dev_err(&adapter->netdev->dev, @@ -1425,13 +1434,16 @@ int qlcnic_83xx_config_hw_lro(struct qlcnic_adapter *adapter, int mode) int err; u32 temp, arg1; struct qlcnic_cmd_args cmd; + int lro_bit_mask; + + lro_bit_mask = (mode ? (BIT_0 | BIT_1 | BIT_2 | BIT_3) : 0); if (adapter->recv_ctx->state == QLCNIC_HOST_CTX_STATE_FREED) return 0; qlcnic_alloc_mbx_args(&cmd, adapter, QLCNIC_CMD_CONFIGURE_HW_LRO); temp = adapter->recv_ctx->context_id << 16; - arg1 = (mode ? (BIT_0 | BIT_1 | BIT_3) : 0) | temp; + arg1 = lro_bit_mask | temp; cmd.req.arg[1] = arg1; err = qlcnic_issue_cmd(adapter, &cmd); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c index 6c6ecfc152b..4e4ebafac5c 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_hw.c @@ -958,8 +958,10 @@ int qlcnic_set_features(struct net_device *netdev, netdev_features_t features) if (qlcnic_config_hw_lro(adapter, hw_lro)) return -EIO; - if ((hw_lro == 0) && qlcnic_send_lro_cleanup(adapter)) - return -EIO; + if (!hw_lro && qlcnic_82xx_check(adapter)) { + if (qlcnic_send_lro_cleanup(adapter)) + return -EIO; + } return 0; } |