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qed: Fix iWARP syn packet mac address validation.

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[ Upstream commit 8be3dadf04 ]

The ll2 forwards all syn packets to the driver without validating the mac
address. Add validation check in the driver's iWARP listener flow and drop
the packet if it isn't intended for the device.

Signed-off-by: Ariel Elior <ariel.elior@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Michal Kalderon
2019-02-18 15:24:03 +02:00
committed by Greg Kroah-Hartman
parent 4f1daa409e
commit 156ca708ea
1 changed files with 9 additions and 0 deletions
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9
drivers/net/ethernet/qlogic/qed/qed_iwarp.c
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@@ -1651,6 +1651,15 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn,
eth_hlen = ETH_HLEN + (vlan_valid ? sizeof(u32) : 0);
if (!ether_addr_equal(ethh->h_dest,
p_hwfn->p_rdma_info->iwarp.mac_addr)) {
DP_VERBOSE(p_hwfn,
QED_MSG_RDMA,
"Got unexpected mac %pM instead of %pM\n",
ethh->h_dest, p_hwfn->p_rdma_info->iwarp.mac_addr);
return -EINVAL;
}
ether_addr_copy(remote_mac_addr, ethh->h_source);
ether_addr_copy(local_mac_addr, ethh->h_dest);