From a9736c086cc6221659e498f0855152c32dbc1396 Mon Sep 17 00:00:00 2001
From: Eddie Wai <waie@broadcom.com>
Date: Wed, 24 Feb 2010 14:42:04 +0000
Subject: [PATCH] cnic: Finetune iSCSI connection set up.
Initialize IP ID and handle some additional connection errors.
Signed-off-by: Eddie Wai <waie@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/cnic.c | 17 ++++++++++++++++-
drivers/net/cnic.h | 2 +-
2 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 6aecef930fa86..0fe83717967ac 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -2507,7 +2507,7 @@ static int cnic_cm_offload_pg(struct cnic_sock *csk)
l4kwqe->sa5 = dev->mac_addr[5];
l4kwqe->etype = ETH_P_IP;
- l4kwqe->ipid_count = DEF_IPID_COUNT;
+ l4kwqe->ipid_start = DEF_IPID_START;
l4kwqe->host_opaque = csk->l5_cid;
if (csk->vlan_id) {
@@ -3046,6 +3046,14 @@ static void cnic_cm_process_offld_pg(struct cnic_dev *dev, struct l4_kcq *kcqe)
clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
goto done;
}
+ /* Possible PG kcqe status: SUCCESS, OFFLOADED_PG, or CTX_ALLOC_FAIL */
+ if (kcqe->status == L4_KCQE_COMPLETION_STATUS_CTX_ALLOC_FAIL) {
+ clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
+ cnic_cm_upcall(cp, csk,
+ L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE);
+ goto done;
+ }
+
csk->pg_cid = kcqe->pg_cid;
set_bit(SK_F_PG_OFFLD_COMPLETE, &csk->flags);
cnic_cm_conn_req(csk);
@@ -3083,6 +3091,13 @@ static void cnic_cm_process_kcqe(struct cnic_dev *dev, struct kcqe *kcqe)
}
switch (opcode) {
+ case L5CM_RAMROD_CMD_ID_TCP_CONNECT:
+ if (l4kcqe->status != 0) {
+ clear_bit(SK_F_OFFLD_SCHED, &csk->flags);
+ cnic_cm_upcall(cp, csk,
+ L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE);
+ }
+ break;
case L4_KCQE_OPCODE_VALUE_CONNECT_COMPLETE:
if (l4kcqe->status == 0)
set_bit(SK_F_OFFLD_COMPLETE, &csk->flags);
diff --git a/drivers/net/cnic.h b/drivers/net/cnic.h
index 241d09acc0d47..1921597ab4a32 100644
--- a/drivers/net/cnic.h
+++ b/drivers/net/cnic.h
@@ -101,7 +101,7 @@ struct cnic_redirect_entry {
#define BNX2X_KWQ_DATA(cp, x) \
&(cp)->kwq_16_data[BNX2X_KWQ_DATA_PG(cp, x)][BNX2X_KWQ_DATA_IDX(cp, x)]
-#define DEF_IPID_COUNT 0xc001
+#define DEF_IPID_START 0x8000
#define DEF_KA_TIMEOUT 10000
#define DEF_KA_INTERVAL 300000
--
2.30.2