[PATCH 2/5] e1000: config VMDQ offload register to receive multicast packet
From: Ouyang Changchun <hidden>
Date: 2014-08-25 02:09:29
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
This patch set VM offload register according to VMDQ config for e1000 PMD to support multicast and broadcast packets. Signed-off-by: Changchun Ouyang <redacted> Acked-by: Huawei Xie <redacted> Acked-by: Cunming Liang <redacted> --- lib/librte_pmd_e1000/igb_rxtx.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/lib/librte_pmd_e1000/igb_rxtx.c b/lib/librte_pmd_e1000/igb_rxtx.c
index 977c4a2..51b1206 100644
--- a/lib/librte_pmd_e1000/igb_rxtx.c
+++ b/lib/librte_pmd_e1000/igb_rxtx.c@@ -1768,6 +1768,26 @@ 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
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1.8.4.2