aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/cxgb4
diff options
context:
space:
mode:
authorKumar Sanghvi <kumaras@chelsio.com>2013-12-18 06:08:26 -0500
committerDavid S. Miller <davem@davemloft.net>2013-12-22 18:09:08 -0500
commit41b4f86c1368758a02129e0629a9cc7c2811fa32 (patch)
tree611ae1a6b6b9884d9196109a303cf2a060684ceb /drivers/infiniband/hw/cxgb4
parent8c04469057c3307d92d2c7076edcf9eb8f752bca (diff)
RDMA/cxgb4: Use cxgb4_select_ntuple to correctly calculate ntuple fields
Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4')
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c71
1 files changed, 17 insertions, 54 deletions
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index bfd4ed78dcc1..45126879ad28 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -524,50 +524,6 @@ static int send_abort(struct c4iw_ep *ep, struct sk_buff *skb, gfp_t gfp)
524 return c4iw_l2t_send(&ep->com.dev->rdev, skb, ep->l2t); 524 return c4iw_l2t_send(&ep->com.dev->rdev, skb, ep->l2t);
525} 525}
526 526
527#define VLAN_NONE 0xfff
528#define FILTER_SEL_VLAN_NONE 0xffff
529#define FILTER_SEL_WIDTH_P_FC (3+1) /* port uses 3 bits, FCoE one bit */
530#define FILTER_SEL_WIDTH_VIN_P_FC \
531 (6 + 7 + FILTER_SEL_WIDTH_P_FC) /* 6 bits are unused, VF uses 7 bits*/
532#define FILTER_SEL_WIDTH_TAG_P_FC \
533 (3 + FILTER_SEL_WIDTH_VIN_P_FC) /* PF uses 3 bits */
534#define FILTER_SEL_WIDTH_VLD_TAG_P_FC (1 + FILTER_SEL_WIDTH_TAG_P_FC)
535
536static unsigned int select_ntuple(struct c4iw_dev *dev, struct dst_entry *dst,
537 struct l2t_entry *l2t)
538{
539 unsigned int ntuple = 0;
540 u32 viid;
541
542 switch (dev->rdev.lldi.filt_mode) {
543
544 /* default filter mode */
545 case HW_TPL_FR_MT_PR_IV_P_FC:
546 if (l2t->vlan == VLAN_NONE)
547 ntuple |= FILTER_SEL_VLAN_NONE << FILTER_SEL_WIDTH_P_FC;
548 else {
549 ntuple |= l2t->vlan << FILTER_SEL_WIDTH_P_FC;
550 ntuple |= 1 << FILTER_SEL_WIDTH_TAG_P_FC;
551 }
552 ntuple |= l2t->lport << S_PORT | IPPROTO_TCP <<
553 FILTER_SEL_WIDTH_VLD_TAG_P_FC;
554 break;
555 case HW_TPL_FR_MT_PR_OV_P_FC: {
556 viid = cxgb4_port_viid(l2t->neigh->dev);
557
558 ntuple |= FW_VIID_VIN_GET(viid) << FILTER_SEL_WIDTH_P_FC;
559 ntuple |= FW_VIID_PFN_GET(viid) << FILTER_SEL_WIDTH_VIN_P_FC;
560 ntuple |= FW_VIID_VIVLD_GET(viid) << FILTER_SEL_WIDTH_TAG_P_FC;
561 ntuple |= l2t->lport << S_PORT | IPPROTO_TCP <<
562 FILTER_SEL_WIDTH_VLD_TAG_P_FC;
563 break;
564 }
565 default:
566 break;
567 }
568 return ntuple;
569}
570
571static int send_connect(struct c4iw_ep *ep) 527static int send_connect(struct c4iw_ep *ep)
572{ 528{
573 struct cpl_act_open_req *req; 529 struct cpl_act_open_req *req;
@@ -641,8 +597,9 @@ static int send_connect(struct c4iw_ep *ep)
641 req->local_ip = la->sin_addr.s_addr; 597 req->local_ip = la->sin_addr.s_addr;
642 req->peer_ip = ra->sin_addr.s_addr; 598 req->peer_ip = ra->sin_addr.s_addr;
643 req->opt0 = cpu_to_be64(opt0); 599 req->opt0 = cpu_to_be64(opt0);
644 req->params = cpu_to_be32(select_ntuple(ep->com.dev, 600 req->params = cpu_to_be32(cxgb4_select_ntuple(
645 ep->dst, ep->l2t)); 601 ep->com.dev->rdev.lldi.ports[0],
602 ep->l2t));
646 req->opt2 = cpu_to_be32(opt2); 603 req->opt2 = cpu_to_be32(opt2);
647 } else { 604 } else {
648 req6 = (struct cpl_act_open_req6 *)skb_put(skb, wrlen); 605 req6 = (struct cpl_act_open_req6 *)skb_put(skb, wrlen);
@@ -662,9 +619,9 @@ static int send_connect(struct c4iw_ep *ep)
662 req6->peer_ip_lo = *((__be64 *) 619 req6->peer_ip_lo = *((__be64 *)
663 (ra6->sin6_addr.s6_addr + 8)); 620 (ra6->sin6_addr.s6_addr + 8));
664 req6->opt0 = cpu_to_be64(opt0); 621 req6->opt0 = cpu_to_be64(opt0);
665 req6->params = cpu_to_be32( 622 req6->params = cpu_to_be32(cxgb4_select_ntuple(
666 select_ntuple(ep->com.dev, ep->dst, 623 ep->com.dev->rdev.lldi.ports[0],
667 ep->l2t)); 624 ep->l2t));
668 req6->opt2 = cpu_to_be32(opt2); 625 req6->opt2 = cpu_to_be32(opt2);
669 } 626 }
670 } else { 627 } else {
@@ -681,8 +638,9 @@ static int send_connect(struct c4iw_ep *ep)
681 t5_req->peer_ip = ra->sin_addr.s_addr; 638 t5_req->peer_ip = ra->sin_addr.s_addr;
682 t5_req->opt0 = cpu_to_be64(opt0); 639 t5_req->opt0 = cpu_to_be64(opt0);
683 t5_req->params = cpu_to_be64(V_FILTER_TUPLE( 640 t5_req->params = cpu_to_be64(V_FILTER_TUPLE(
684 select_ntuple(ep->com.dev, 641 cxgb4_select_ntuple(
685 ep->dst, ep->l2t))); 642 ep->com.dev->rdev.lldi.ports[0],
643 ep->l2t)));
686 t5_req->opt2 = cpu_to_be32(opt2); 644 t5_req->opt2 = cpu_to_be32(opt2);
687 } else { 645 } else {
688 t5_req6 = (struct cpl_t5_act_open_req6 *) 646 t5_req6 = (struct cpl_t5_act_open_req6 *)
@@ -703,7 +661,9 @@ static int send_connect(struct c4iw_ep *ep)
703 (ra6->sin6_addr.s6_addr + 8)); 661 (ra6->sin6_addr.s6_addr + 8));
704 t5_req6->opt0 = cpu_to_be64(opt0); 662 t5_req6->opt0 = cpu_to_be64(opt0);
705 t5_req6->params = (__force __be64)cpu_to_be32( 663 t5_req6->params = (__force __be64)cpu_to_be32(
706 select_ntuple(ep->com.dev, ep->dst, ep->l2t)); 664 cxgb4_select_ntuple(
665 ep->com.dev->rdev.lldi.ports[0],
666 ep->l2t));
707 t5_req6->opt2 = cpu_to_be32(opt2); 667 t5_req6->opt2 = cpu_to_be32(opt2);
708 } 668 }
709 } 669 }
@@ -1630,7 +1590,8 @@ static void send_fw_act_open_req(struct c4iw_ep *ep, unsigned int atid)
1630 memset(req, 0, sizeof(*req)); 1590 memset(req, 0, sizeof(*req));
1631 req->op_compl = htonl(V_WR_OP(FW_OFLD_CONNECTION_WR)); 1591 req->op_compl = htonl(V_WR_OP(FW_OFLD_CONNECTION_WR));
1632 req->len16_pkd = htonl(FW_WR_LEN16(DIV_ROUND_UP(sizeof(*req), 16))); 1592 req->len16_pkd = htonl(FW_WR_LEN16(DIV_ROUND_UP(sizeof(*req), 16)));
1633 req->le.filter = cpu_to_be32(select_ntuple(ep->com.dev, ep->dst, 1593 req->le.filter = cpu_to_be32(cxgb4_select_ntuple(
1594 ep->com.dev->rdev.lldi.ports[0],
1634 ep->l2t)); 1595 ep->l2t));
1635 sin = (struct sockaddr_in *)&ep->com.local_addr; 1596 sin = (struct sockaddr_in *)&ep->com.local_addr;
1636 req->le.lport = sin->sin_port; 1597 req->le.lport = sin->sin_port;
@@ -3396,7 +3357,9 @@ static int rx_pkt(struct c4iw_dev *dev, struct sk_buff *skb)
3396 window = (__force u16) htons((__force u16)tcph->window); 3357 window = (__force u16) htons((__force u16)tcph->window);
3397 3358
3398 /* Calcuate filter portion for LE region. */ 3359 /* Calcuate filter portion for LE region. */
3399 filter = (__force unsigned int) cpu_to_be32(select_ntuple(dev, dst, e)); 3360 filter = (__force unsigned int) cpu_to_be32(cxgb4_select_ntuple(
3361 dev->rdev.lldi.ports[0],
3362 e));
3400 3363
3401 /* 3364 /*
3402 * Synthesize the cpl_pass_accept_req. We have everything except the 3365 * Synthesize the cpl_pass_accept_req. We have everything except the