mlx4: disable multicast echo on PF device
Multicast loopback must be disabled on PF devices to prevent the adapter from sending frames back. Required with MOFED 3.0. Signed-off-by: Olga Shern <olgas@mellanox.com> Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
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@ -112,6 +112,11 @@ mlx4_autoconf.h: $(RTE_SDK)/scripts/auto-config-h.sh
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HAVE_EXP_QUERY_DEVICE \
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infiniband/verbs.h \
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type 'struct ibv_exp_device_attr' $(AUTOCONF_OUTPUT)
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$Q sh -- '$<' '$@' \
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HAVE_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK \
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infiniband/verbs.h \
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enum IBV_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK \
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$(AUTOCONF_OUTPUT)
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mlx4.o: mlx4_autoconf.h
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@ -1534,6 +1534,13 @@ txq_setup(struct rte_eth_dev *dev, struct txq *txq, uint16_t desc,
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.intf_scope = IBV_EXP_INTF_GLOBAL,
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.intf = IBV_EXP_INTF_QP_BURST,
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.obj = tmpl.qp,
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#ifdef HAVE_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK
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/* MC loopback must be disabled when not using a VF. */
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.family_flags =
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(!priv->vf ?
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IBV_EXP_QP_BURST_CREATE_DISABLE_ETH_LOOPBACK :
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0),
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#endif
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};
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tmpl.if_qp = ibv_exp_query_intf(priv->ctx, &attr.params, &status);
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if (tmpl.if_qp == NULL) {
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