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qed: Add the source of a packet sent on an iWARP ll2 connection

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When a packet is sent back to iWARP FW via the tx ll2 connection
the FW needs to know the source of the packet. Whether it is
OOO or unaligned MPA related. Since OOO is implemented entirely
inside the ll2 code (and shared with iSCSI), packets are marked
as IN_ORDER inside the ll2 code. For unaligned mpa the value
will be determined in the iWARP code and sent on the pkt->vlan
field.

Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michal Kalderon 2017-10-09 12:37:47 +03:00 committed by David S. Miller
parent 6df60fe703
commit 89d6511309
1 changed files with 6 additions and 1 deletions
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7
drivers/net/ethernet/qlogic/qed/qed_ll2.c
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@ -1613,7 +1613,12 @@ qed_ll2_prepare_tx_packet_set_bd(struct qed_hwfn *p_hwfn,
}
start_bd = (struct core_tx_bd *)qed_chain_produce(p_tx_chain);
start_bd->nw_vlan_or_lb_echo = cpu_to_le16(pkt->vlan);
if (QED_IS_IWARP_PERSONALITY(p_hwfn) &&
p_ll2->input.conn_type == QED_LL2_TYPE_OOO)
start_bd->nw_vlan_or_lb_echo =
cpu_to_le16(IWARP_LL2_IN_ORDER_TX_QUEUE);
else
start_bd->nw_vlan_or_lb_echo = cpu_to_le16(pkt->vlan);
SET_FIELD(start_bd->bitfield1, CORE_TX_BD_L4_HDR_OFFSET_W,
cpu_to_le16(pkt->l4_hdr_offset_w));
SET_FIELD(start_bd->bitfield1, CORE_TX_BD_TX_DST, tx_dest);