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ixgbe: add MAC control forward

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Signed-off-by: Intel
This commit is contained in:
Intel 2013-11-08 03:00:00 +01:00 committed by Thomas Monjalon
parent 03c95df15a
commit 940b3cc0c0
1 changed files with 17 additions and 0 deletions
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17
lib/librte_pmd_ixgbe/ixgbe_ethdev.c
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@ -2028,6 +2028,7 @@ ixgbe_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
int err;
uint32_t rx_buf_size;
uint32_t max_high_water;
uint32_t mflcn;
enum ixgbe_fc_mode rte_fcmode_2_ixgbe_fcmode[] = {
ixgbe_fc_none,
ixgbe_fc_rx_pause,
@ -2060,8 +2061,24 @@ ixgbe_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
hw->fc.send_xon = fc_conf->send_xon;
err = ixgbe_fc_enable(hw);
/* Not negotiated is not an error case */
if ((err == IXGBE_SUCCESS) || (err == IXGBE_ERR_FC_NOT_NEGOTIATED)) {
/* check if we want to forward MAC frames - driver doesn't have native
* capability to do that, so we'll write the registers ourselves */
mflcn = IXGBE_READ_REG(hw, IXGBE_MFLCN);
/* set or clear MFLCN.PMCF bit depending on configuration */
if (fc_conf->mac_ctrl_frame_fwd != 0)
mflcn |= IXGBE_MFLCN_PMCF;
else
mflcn &= ~IXGBE_MFLCN_PMCF;
IXGBE_WRITE_REG(hw, IXGBE_MFLCN, mflcn);
IXGBE_WRITE_FLUSH(hw);
return 0;
}