From d0b2f91bede3bd5e3d24dd6803e56eee959c1797 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Thu, 20 Oct 2016 00:10:27 -0300 Subject: Linux-libre 4.8.2-gnu --- drivers/net/ethernet/intel/ixgbevf/vf.c | 96 ++++++++++++++++----------------- 1 file changed, 46 insertions(+), 50 deletions(-) (limited to 'drivers/net/ethernet/intel/ixgbevf/vf.c') diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.c b/drivers/net/ethernet/intel/ixgbevf/vf.c index e670d3b19..a52f70ec4 100644 --- a/drivers/net/ethernet/intel/ixgbevf/vf.c +++ b/drivers/net/ethernet/intel/ixgbevf/vf.c @@ -33,6 +33,18 @@ */ #define IXGBE_HV_RESET_OFFSET 0x201 +static inline s32 ixgbevf_write_msg_read_ack(struct ixgbe_hw *hw, u32 *msg, + u32 *retmsg, u16 size) +{ + struct ixgbe_mbx_info *mbx = &hw->mbx; + s32 retval = mbx->ops.write_posted(hw, msg, size); + + if (retval) + return retval; + + return mbx->ops.read_posted(hw, retmsg, size); +} + /** * ixgbevf_start_hw_vf - Prepare hardware for Tx/Rx * @hw: pointer to hardware structure @@ -255,8 +267,7 @@ static s32 ixgbevf_get_mac_addr_vf(struct ixgbe_hw *hw, u8 *mac_addr) static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr) { - struct ixgbe_mbx_info *mbx = &hw->mbx; - u32 msgbuf[3]; + u32 msgbuf[3], msgbuf_chk; u8 *msg_addr = (u8 *)(&msgbuf[1]); s32 ret_val; @@ -268,19 +279,18 @@ static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr) */ msgbuf[0] |= index << IXGBE_VT_MSGINFO_SHIFT; msgbuf[0] |= IXGBE_VF_SET_MACVLAN; + msgbuf_chk = msgbuf[0]; + if (addr) ether_addr_copy(msg_addr, addr); - ret_val = mbx->ops.write_posted(hw, msgbuf, 3); - if (!ret_val) - ret_val = mbx->ops.read_posted(hw, msgbuf, 3); + ret_val = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, 3); + if (!ret_val) { + msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS; - msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS; - - if (!ret_val) - if (msgbuf[0] == - (IXGBE_VF_SET_MACVLAN | IXGBE_VT_MSGTYPE_NACK)) - ret_val = -ENOMEM; + if (msgbuf[0] == (msgbuf_chk | IXGBE_VT_MSGTYPE_NACK)) + return -ENOMEM; + } return ret_val; } @@ -423,7 +433,6 @@ int ixgbevf_get_rss_key_locked(struct ixgbe_hw *hw, u8 *rss_key) static s32 ixgbevf_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq) { - struct ixgbe_mbx_info *mbx = &hw->mbx; u32 msgbuf[3]; u8 *msg_addr = (u8 *)(&msgbuf[1]); s32 ret_val; @@ -431,10 +440,8 @@ static s32 ixgbevf_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, memset(msgbuf, 0, sizeof(msgbuf)); msgbuf[0] = IXGBE_VF_SET_MAC_ADDR; ether_addr_copy(msg_addr, addr); - ret_val = mbx->ops.write_posted(hw, msgbuf, 3); - if (!ret_val) - ret_val = mbx->ops.read_posted(hw, msgbuf, 3); + ret_val = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, 2); msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS; @@ -468,17 +475,6 @@ static s32 ixgbevf_hv_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, return -EOPNOTSUPP; } -static void ixgbevf_write_msg_read_ack(struct ixgbe_hw *hw, - u32 *msg, u16 size) -{ - struct ixgbe_mbx_info *mbx = &hw->mbx; - u32 retmsg[IXGBE_VFMAILBOX_SIZE]; - s32 retval = mbx->ops.write_posted(hw, msg, size); - - if (!retval) - mbx->ops.read_posted(hw, retmsg, size); -} - /** * ixgbevf_update_mc_addr_list_vf - Update Multicast addresses * @hw: pointer to the HW structure @@ -519,7 +515,7 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw, vector_list[i++] = ixgbevf_mta_vector(hw, ha->addr); } - ixgbevf_write_msg_read_ack(hw, msgbuf, IXGBE_VFMAILBOX_SIZE); + ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, IXGBE_VFMAILBOX_SIZE); return 0; } @@ -542,7 +538,6 @@ static s32 ixgbevf_hv_update_mc_addr_list_vf(struct ixgbe_hw *hw, **/ static s32 ixgbevf_update_xcast_mode(struct ixgbe_hw *hw, int xcast_mode) { - struct ixgbe_mbx_info *mbx = &hw->mbx; u32 msgbuf[2]; s32 err; @@ -556,11 +551,7 @@ static s32 ixgbevf_update_xcast_mode(struct ixgbe_hw *hw, int xcast_mode) msgbuf[0] = IXGBE_VF_UPDATE_XCAST_MODE; msgbuf[1] = xcast_mode; - err = mbx->ops.write_posted(hw, msgbuf, 2); - if (err) - return err; - - err = mbx->ops.read_posted(hw, msgbuf, 2); + err = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, 2); if (err) return err; @@ -589,7 +580,6 @@ static s32 ixgbevf_hv_update_xcast_mode(struct ixgbe_hw *hw, int xcast_mode) static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on) { - struct ixgbe_mbx_info *mbx = &hw->mbx; u32 msgbuf[2]; s32 err; @@ -598,11 +588,7 @@ static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind, /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */ msgbuf[0] |= vlan_on << IXGBE_VT_MSGINFO_SHIFT; - err = mbx->ops.write_posted(hw, msgbuf, 2); - if (err) - goto mbx_err; - - err = mbx->ops.read_posted(hw, msgbuf, 2); + err = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, 2); if (err) goto mbx_err; @@ -797,13 +783,22 @@ out: * @hw: pointer to the HW structure * @max_size: value to assign to max frame size **/ -static void ixgbevf_set_rlpml_vf(struct ixgbe_hw *hw, u16 max_size) +static s32 ixgbevf_set_rlpml_vf(struct ixgbe_hw *hw, u16 max_size) { u32 msgbuf[2]; + s32 ret_val; msgbuf[0] = IXGBE_VF_SET_LPE; msgbuf[1] = max_size; - ixgbevf_write_msg_read_ack(hw, msgbuf, 2); + + ret_val = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf, 2); + if (ret_val) + return ret_val; + if ((msgbuf[0] & IXGBE_VF_SET_LPE) && + (msgbuf[0] & IXGBE_VT_MSGTYPE_NACK)) + return IXGBE_ERR_MBX; + + return 0; } /** @@ -812,7 +807,7 @@ static void ixgbevf_set_rlpml_vf(struct ixgbe_hw *hw, u16 max_size) * @max_size: value to assign to max frame size * Hyper-V variant. **/ -static void ixgbevf_hv_set_rlpml_vf(struct ixgbe_hw *hw, u16 max_size) +static s32 ixgbevf_hv_set_rlpml_vf(struct ixgbe_hw *hw, u16 max_size) { u32 reg; @@ -823,6 +818,8 @@ static void ixgbevf_hv_set_rlpml_vf(struct ixgbe_hw *hw, u16 max_size) /* CRC == 4 */ reg |= ((max_size + 4) | IXGBE_RXDCTL_RLPML_EN); IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(0), reg); + + return 0; } /** @@ -839,11 +836,8 @@ static int ixgbevf_negotiate_api_version_vf(struct ixgbe_hw *hw, int api) msg[0] = IXGBE_VF_API_NEGOTIATE; msg[1] = api; msg[2] = 0; - err = hw->mbx.ops.write_posted(hw, msg, 3); - - if (!err) - err = hw->mbx.ops.read_posted(hw, msg, 3); + err = ixgbevf_write_msg_read_ack(hw, msg, msg, 3); if (!err) { msg[0] &= ~IXGBE_VT_MSGTYPE_CTS; @@ -892,11 +886,8 @@ int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs, /* Fetch queue configuration from the PF */ msg[0] = IXGBE_VF_GET_QUEUE; msg[1] = msg[2] = msg[3] = msg[4] = 0; - err = hw->mbx.ops.write_posted(hw, msg, 5); - - if (!err) - err = hw->mbx.ops.read_posted(hw, msg, 5); + err = ixgbevf_write_msg_read_ack(hw, msg, msg, 5); if (!err) { msg[0] &= ~IXGBE_VT_MSGTYPE_CTS; @@ -1005,3 +996,8 @@ const struct ixgbevf_info ixgbevf_X550EM_x_vf_hv_info = { .mac = ixgbe_mac_X550EM_x_vf, .mac_ops = &ixgbevf_hv_mac_ops, }; + +const struct ixgbevf_info ixgbevf_x550em_a_vf_info = { + .mac = ixgbe_mac_x550em_a_vf, + .mac_ops = &ixgbevf_mac_ops, +}; -- cgit v1.2.3-54-g00ecf