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igb: VMDQ Rx mode

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Config VM offload register in igb PMD to enable it receive broadcast and multicast packets.

Signed-off-by: Changchun Ouyang <changchun.ouyang@intel.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
This commit is contained in:
Ouyang Changchun 2014-11-08 12:26:13 +08:00 committed by Thomas Monjalon
parent 7e1fceb51d
commit 8d74cfc4d2
1 changed files with 20 additions and 0 deletions
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20
lib/librte_pmd_e1000/igb_rxtx.c
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@ -1779,6 +1779,26 @@ igb_vmdq_rx_hw_configure(struct rte_eth_dev *dev)
vt_ctl |= E1000_VT_CTL_IGNORE_MAC;
E1000_WRITE_REG(hw, E1000_VT_CTL, vt_ctl);
for (i = 0; i < E1000_VMOLR_SIZE; i++) {
vmolr = E1000_READ_REG(hw, E1000_VMOLR(i));
vmolr &= ~(E1000_VMOLR_AUPE | E1000_VMOLR_ROMPE |
E1000_VMOLR_ROPE | E1000_VMOLR_BAM |
E1000_VMOLR_MPME);
if (cfg->rx_mode & ETH_VMDQ_ACCEPT_UNTAG)
vmolr |= E1000_VMOLR_AUPE;
if (cfg->rx_mode & ETH_VMDQ_ACCEPT_HASH_MC)
vmolr |= E1000_VMOLR_ROMPE;
if (cfg->rx_mode & ETH_VMDQ_ACCEPT_HASH_UC)
vmolr |= E1000_VMOLR_ROPE;
if (cfg->rx_mode & ETH_VMDQ_ACCEPT_BROADCAST)
vmolr |= E1000_VMOLR_BAM;
if (cfg->rx_mode & ETH_VMDQ_ACCEPT_MULTICAST)
vmolr |= E1000_VMOLR_MPME;
E1000_WRITE_REG(hw, E1000_VMOLR(i), vmolr);
}
/*
* VMOLR: set STRVLAN as 1 if IGMAC in VTCTL is set as 1
* Both 82576 and 82580 support it