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authorMichal Kalderon <Michal.Kalderon@cavium.com>2017-10-09 12:37:45 +0300
committerDavid S. Miller <davem@davemloft.net>2017-10-09 10:21:26 -0700
commit77caa792f5d8e4ecc88eb1cf4b9c478c07e0ec57 (patch)
tree36771d4911e7b65f0d9366f46ec5afbd7ec8e235 /drivers/net/ethernet/qlogic/qed/qed_ll2.c
parentqed: Add ll2 ability of opening a secondary queue (diff)
downloadlinux-dev-77caa792f5d8e4ecc88eb1cf4b9c478c07e0ec57.tar.xz
linux-dev-77caa792f5d8e4ecc88eb1cf4b9c478c07e0ec57.zip
qed: Add ll2 option for dropping a tx packet
The option of sending a packet on the ll2 and dropping it exists in hardware and was not used until now, thus not exposed. The iWARP unaligned MPA flow requires this functionality for flushing the tx queue. 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>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_ll2.c')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_ll2.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
index 3c695da890df..ad67d36956e8 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c
@@ -1597,8 +1597,20 @@ qed_ll2_prepare_tx_packet_set_bd(struct qed_hwfn *p_hwfn,
roce_flavor = (pkt->qed_roce_flavor == QED_LL2_ROCE) ? CORE_ROCE
: CORE_RROCE;
- tx_dest = (pkt->tx_dest == QED_LL2_TX_DEST_NW) ? CORE_TX_DEST_NW
- : CORE_TX_DEST_LB;
+ switch (pkt->tx_dest) {
+ case QED_LL2_TX_DEST_NW:
+ tx_dest = CORE_TX_DEST_NW;
+ break;
+ case QED_LL2_TX_DEST_LB:
+ tx_dest = CORE_TX_DEST_LB;
+ break;
+ case QED_LL2_TX_DEST_DROP:
+ tx_dest = CORE_TX_DEST_DROP;
+ break;
+ default:
+ tx_dest = CORE_TX_DEST_LB;
+ break;
+ }
start_bd = (struct core_tx_bd *)qed_chain_produce(p_tx_chain);
start_bd->nw_vlan_or_lb_echo = cpu_to_le16(pkt->vlan);