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iw_cxgb4: Adds support for T6 adapter

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Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Hariprasad S 2015-09-23 17:19:27 +05:30 committed by Doug Ledford
parent 2799980597
commit 963cab5082
5 changed files with 204 additions and 146 deletions
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317
drivers/infiniband/hw/cxgb4/cm.c
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@ -632,22 +632,18 @@ static void best_mtu(const unsigned short *mtus, unsigned short mtu,
static int send_connect(struct c4iw_ep *ep)
{
struct cpl_act_open_req *req;
struct cpl_t5_act_open_req *t5_req;
struct cpl_act_open_req6 *req6;
struct cpl_t5_act_open_req6 *t5_req6;
struct cpl_act_open_req *req = NULL;
struct cpl_t5_act_open_req *t5req = NULL;
struct cpl_t6_act_open_req *t6req = NULL;
struct cpl_act_open_req6 *req6 = NULL;
struct cpl_t5_act_open_req6 *t5req6 = NULL;
struct cpl_t6_act_open_req6 *t6req6 = NULL;
struct sk_buff *skb;
u64 opt0;
u32 opt2;
unsigned int mtu_idx;
int wscale;
int wrlen;
int sizev4 = is_t4(ep->com.dev->rdev.lldi.adapter_type) ?
sizeof(struct cpl_act_open_req) :
sizeof(struct cpl_t5_act_open_req);
int sizev6 = is_t4(ep->com.dev->rdev.lldi.adapter_type) ?
sizeof(struct cpl_act_open_req6) :
sizeof(struct cpl_t5_act_open_req6);
int win, sizev4, sizev6, wrlen;
struct sockaddr_in *la = (struct sockaddr_in *)
&ep->com.mapped_local_addr;
struct sockaddr_in *ra = (struct sockaddr_in *)
@ -656,8 +652,28 @@ static int send_connect(struct c4iw_ep *ep)
&ep->com.mapped_local_addr;
struct sockaddr_in6 *ra6 = (struct sockaddr_in6 *)
&ep->com.mapped_remote_addr;
int win;
int ret;
enum chip_type adapter_type = ep->com.dev->rdev.lldi.adapter_type;
u32 isn = (prandom_u32() & ~7UL) - 1;
switch (CHELSIO_CHIP_VERSION(adapter_type)) {
case CHELSIO_T4:
sizev4 = sizeof(struct cpl_act_open_req);
sizev6 = sizeof(struct cpl_act_open_req6);
break;
case CHELSIO_T5:
sizev4 = sizeof(struct cpl_t5_act_open_req);
sizev6 = sizeof(struct cpl_t5_act_open_req6);
break;
case CHELSIO_T6:
sizev4 = sizeof(struct cpl_t6_act_open_req);
sizev6 = sizeof(struct cpl_t6_act_open_req6);
break;
default:
pr_err("T%d Chip is not supported\n",
CHELSIO_CHIP_VERSION(adapter_type));
return -EINVAL;
}
wrlen = (ep->com.remote_addr.ss_family == AF_INET) ?
roundup(sizev4, 16) :
@ -706,7 +722,10 @@ static int send_connect(struct c4iw_ep *ep)
opt2 |= SACK_EN_F;
if (wscale && enable_tcp_window_scaling)
opt2 |= WND_SCALE_EN_F;
if (is_t5(ep->com.dev->rdev.lldi.adapter_type)) {
if (CHELSIO_CHIP_VERSION(adapter_type) > CHELSIO_T4) {
if (peer2peer)
isn += 4;
opt2 |= T5_OPT_2_VALID_F;
opt2 |= CONG_CNTRL_V(CONG_ALG_TAHOE);
opt2 |= T5_ISS_F;
@ -718,102 +737,109 @@ static int send_connect(struct c4iw_ep *ep)
t4_set_arp_err_handler(skb, ep, act_open_req_arp_failure);
if (is_t4(ep->com.dev->rdev.lldi.adapter_type)) {
if (ep->com.remote_addr.ss_family == AF_INET) {
req = (struct cpl_act_open_req *) skb_put(skb, wrlen);
if (ep->com.remote_addr.ss_family == AF_INET) {
switch (CHELSIO_CHIP_VERSION(adapter_type)) {
case CHELSIO_T4:
req = (struct cpl_act_open_req *)skb_put(skb, wrlen);
INIT_TP_WR(req, 0);
OPCODE_TID(req) = cpu_to_be32(
MK_OPCODE_TID(CPL_ACT_OPEN_REQ,
((ep->rss_qid << 14) | ep->atid)));
req->local_port = la->sin_port;
req->peer_port = ra->sin_port;
req->local_ip = la->sin_addr.s_addr;
req->peer_ip = ra->sin_addr.s_addr;
req->opt0 = cpu_to_be64(opt0);
break;
case CHELSIO_T5:
t5req = (struct cpl_t5_act_open_req *)skb_put(skb,
wrlen);
INIT_TP_WR(t5req, 0);
req = (struct cpl_act_open_req *)t5req;
break;
case CHELSIO_T6:
t6req = (struct cpl_t6_act_open_req *)skb_put(skb,
wrlen);
INIT_TP_WR(t6req, 0);
req = (struct cpl_act_open_req *)t6req;
t5req = (struct cpl_t5_act_open_req *)t6req;
break;
default:
pr_err("T%d Chip is not supported\n",
CHELSIO_CHIP_VERSION(adapter_type));
ret = -EINVAL;
goto clip_release;
}
OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ,
((ep->rss_qid<<14) | ep->atid)));
req->local_port = la->sin_port;
req->peer_port = ra->sin_port;
req->local_ip = la->sin_addr.s_addr;
req->peer_ip = ra->sin_addr.s_addr;
req->opt0 = cpu_to_be64(opt0);
if (is_t4(ep->com.dev->rdev.lldi.adapter_type)) {
req->params = cpu_to_be32(cxgb4_select_ntuple(
ep->com.dev->rdev.lldi.ports[0],
ep->l2t));
req->opt2 = cpu_to_be32(opt2);
} else {
t5req->params = cpu_to_be64(FILTER_TUPLE_V(
cxgb4_select_ntuple(
ep->com.dev->rdev.lldi.ports[0],
ep->l2t)));
t5req->rsvd = cpu_to_be32(isn);
PDBG("%s snd_isn %u\n", __func__, t5req->rsvd);
t5req->opt2 = cpu_to_be32(opt2);
}
} else {
switch (CHELSIO_CHIP_VERSION(adapter_type)) {
case CHELSIO_T4:
req6 = (struct cpl_act_open_req6 *)skb_put(skb, wrlen);
INIT_TP_WR(req6, 0);
OPCODE_TID(req6) = cpu_to_be32(
MK_OPCODE_TID(CPL_ACT_OPEN_REQ6,
((ep->rss_qid<<14)|ep->atid)));
req6->local_port = la6->sin6_port;
req6->peer_port = ra6->sin6_port;
req6->local_ip_hi = *((__be64 *)
(la6->sin6_addr.s6_addr));
req6->local_ip_lo = *((__be64 *)
(la6->sin6_addr.s6_addr + 8));
req6->peer_ip_hi = *((__be64 *)
(ra6->sin6_addr.s6_addr));
req6->peer_ip_lo = *((__be64 *)
(ra6->sin6_addr.s6_addr + 8));
req6->opt0 = cpu_to_be64(opt0);
break;
case CHELSIO_T5:
t5req6 = (struct cpl_t5_act_open_req6 *)skb_put(skb,
wrlen);
INIT_TP_WR(t5req6, 0);
req6 = (struct cpl_act_open_req6 *)t5req6;
break;
case CHELSIO_T6:
t6req6 = (struct cpl_t6_act_open_req6 *)skb_put(skb,
wrlen);
INIT_TP_WR(t6req6, 0);
req6 = (struct cpl_act_open_req6 *)t6req6;
t5req6 = (struct cpl_t5_act_open_req6 *)t6req6;
break;
default:
pr_err("T%d Chip is not supported\n",
CHELSIO_CHIP_VERSION(adapter_type));
ret = -EINVAL;
goto clip_release;
}
OPCODE_TID(req6) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ6,
((ep->rss_qid<<14)|ep->atid)));
req6->local_port = la6->sin6_port;
req6->peer_port = ra6->sin6_port;
req6->local_ip_hi = *((__be64 *)(la6->sin6_addr.s6_addr));
req6->local_ip_lo = *((__be64 *)(la6->sin6_addr.s6_addr + 8));
req6->peer_ip_hi = *((__be64 *)(ra6->sin6_addr.s6_addr));
req6->peer_ip_lo = *((__be64 *)(ra6->sin6_addr.s6_addr + 8));
req6->opt0 = cpu_to_be64(opt0);
if (is_t4(ep->com.dev->rdev.lldi.adapter_type)) {
req6->params = cpu_to_be32(cxgb4_select_ntuple(
ep->com.dev->rdev.lldi.ports[0],
ep->l2t));
req6->opt2 = cpu_to_be32(opt2);
}
} else {
u32 isn = (prandom_u32() & ~7UL) - 1;
if (peer2peer)
isn += 4;
if (ep->com.remote_addr.ss_family == AF_INET) {
t5_req = (struct cpl_t5_act_open_req *)
skb_put(skb, wrlen);
INIT_TP_WR(t5_req, 0);
OPCODE_TID(t5_req) = cpu_to_be32(
MK_OPCODE_TID(CPL_ACT_OPEN_REQ,
((ep->rss_qid << 14) | ep->atid)));
t5_req->local_port = la->sin_port;
t5_req->peer_port = ra->sin_port;
t5_req->local_ip = la->sin_addr.s_addr;
t5_req->peer_ip = ra->sin_addr.s_addr;
t5_req->opt0 = cpu_to_be64(opt0);
t5_req->params = cpu_to_be64(FILTER_TUPLE_V(
cxgb4_select_ntuple(
ep->com.dev->rdev.lldi.ports[0],
ep->l2t)));
t5_req->rsvd = cpu_to_be32(isn);
PDBG("%s snd_isn %u\n", __func__,
be32_to_cpu(t5_req->rsvd));
t5_req->opt2 = cpu_to_be32(opt2);
} else {
t5_req6 = (struct cpl_t5_act_open_req6 *)
skb_put(skb, wrlen);
INIT_TP_WR(t5_req6, 0);
OPCODE_TID(t5_req6) = cpu_to_be32(
MK_OPCODE_TID(CPL_ACT_OPEN_REQ6,
((ep->rss_qid<<14)|ep->atid)));
t5_req6->local_port = la6->sin6_port;
t5_req6->peer_port = ra6->sin6_port;
t5_req6->local_ip_hi = *((__be64 *)
(la6->sin6_addr.s6_addr));
t5_req6->local_ip_lo = *((__be64 *)
(la6->sin6_addr.s6_addr + 8));
t5_req6->peer_ip_hi = *((__be64 *)
(ra6->sin6_addr.s6_addr));
t5_req6->peer_ip_lo = *((__be64 *)
(ra6->sin6_addr.s6_addr + 8));
t5_req6->opt0 = cpu_to_be64(opt0);
t5_req6->params = cpu_to_be64(FILTER_TUPLE_V(
cxgb4_select_ntuple(
t5req6->params = cpu_to_be64(FILTER_TUPLE_V(
cxgb4_select_ntuple(
ep->com.dev->rdev.lldi.ports[0],
ep->l2t)));
t5_req6->rsvd = cpu_to_be32(isn);
PDBG("%s snd_isn %u\n", __func__,
be32_to_cpu(t5_req6->rsvd));
t5_req6->opt2 = cpu_to_be32(opt2);
t5req6->rsvd = cpu_to_be32(isn);
PDBG("%s snd_isn %u\n", __func__, t5req6->rsvd);
t5req6->opt2 = cpu_to_be32(opt2);
}
}
set_bit(ACT_OPEN_REQ, &ep->com.history);
ret = c4iw_l2t_send(&ep->com.dev->rdev, skb, ep->l2t);
clip_release:
if (ret && ep->com.remote_addr.ss_family == AF_INET6)
cxgb4_clip_release(ep->com.dev->rdev.lldi.ports[0],
(const u32 *)&la6->sin6_addr.s6_addr, 1);
@ -1902,7 +1928,7 @@ static void set_tcp_window(struct c4iw_ep *ep, struct port_info *pi)
static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip,
struct dst_entry *dst, struct c4iw_dev *cdev,
bool clear_mpa_v1)
bool clear_mpa_v1, enum chip_type adapter_type)
{
struct neighbour *n;
int err, step;
@ -1937,7 +1963,8 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip,
goto out;
ep->mtu = pdev->mtu;
ep->tx_chan = cxgb4_port_chan(pdev);
ep->smac_idx = (cxgb4_port_viid(pdev) & 0x7F) << 1;
ep->smac_idx = cxgb4_tp_smt_idx(adapter_type,
cxgb4_port_viid(pdev));
step = cdev->rdev.lldi.ntxq /
cdev->rdev.lldi.nchan;
ep->txq_idx = cxgb4_port_idx(pdev) * step;
@ -1956,7 +1983,8 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip,
goto out;
ep->mtu = dst_mtu(dst);
ep->tx_chan = cxgb4_port_chan(pdev);
ep->smac_idx = (cxgb4_port_viid(pdev) & 0x7F) << 1;
ep->smac_idx = cxgb4_tp_smt_idx(adapter_type,
cxgb4_port_viid(pdev));
step = cdev->rdev.lldi.ntxq /
cdev->rdev.lldi.nchan;
ep->txq_idx = cxgb4_port_idx(pdev) * step;
@ -2029,7 +2057,8 @@ static int c4iw_reconnect(struct c4iw_ep *ep)
err = -EHOSTUNREACH;
goto fail3;
}
err = import_ep(ep, iptype, ra, ep->dst, ep->com.dev, false);
err = import_ep(ep, iptype, ra, ep->dst, ep->com.dev, false,
ep->com.dev->rdev.lldi.adapter_type);
if (err) {
pr_err("%s - cannot alloc l2e.\n", __func__);
goto fail4;
@ -2217,13 +2246,14 @@ static void accept_cr(struct c4iw_ep *ep, struct sk_buff *skb,
int wscale;
struct cpl_t5_pass_accept_rpl *rpl5 = NULL;
int win;
enum chip_type adapter_type = ep->com.dev->rdev.lldi.adapter_type;
PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
BUG_ON(skb_cloned(skb));
skb_get(skb);
rpl = cplhdr(skb);
if (is_t5(ep->com.dev->rdev.lldi.adapter_type)) {
if (!is_t4(adapter_type)) {
skb_trim(skb, roundup(sizeof(*rpl5), 16));
rpl5 = (void *)rpl;
INIT_TP_WR(rpl5, ep->hwtid);
@ -2270,12 +2300,16 @@ static void accept_cr(struct c4iw_ep *ep, struct sk_buff *skb,
const struct tcphdr *tcph;
u32 hlen = ntohl(req->hdr_len);
tcph = (const void *)(req + 1) + ETH_HDR_LEN_G(hlen) +
IP_HDR_LEN_G(hlen);
if (CHELSIO_CHIP_VERSION(adapter_type) <= CHELSIO_T5)
tcph = (const void *)(req + 1) + ETH_HDR_LEN_G(hlen) +
IP_HDR_LEN_G(hlen);
else
tcph = (const void *)(req + 1) +
T6_ETH_HDR_LEN_G(hlen) + T6_IP_HDR_LEN_G(hlen);
if (tcph->ece && tcph->cwr)
opt2 |= CCTRL_ECN_V(1);
}
if (is_t5(ep->com.dev->rdev.lldi.adapter_type)) {
if (CHELSIO_CHIP_VERSION(adapter_type) > CHELSIO_T4) {
u32 isn = (prandom_u32() & ~7UL) - 1;
opt2 |= T5_OPT_2_VALID_F;
opt2 |= CONG_CNTRL_V(CONG_ALG_TAHOE);
@ -2306,12 +2340,16 @@ static void reject_cr(struct c4iw_dev *dev, u32 hwtid, struct sk_buff *skb)
return;
}
static void get_4tuple(struct cpl_pass_accept_req *req, int *iptype,
__u8 *local_ip, __u8 *peer_ip,
static void get_4tuple(struct cpl_pass_accept_req *req, enum chip_type type,
int *iptype, __u8 *local_ip, __u8 *peer_ip,
__be16 *local_port, __be16 *peer_port)
{
int eth_len = ETH_HDR_LEN_G(be32_to_cpu(req->hdr_len));
int ip_len = IP_HDR_LEN_G(be32_to_cpu(req->hdr_len));
int eth_len = (CHELSIO_CHIP_VERSION(type) <= CHELSIO_T5) ?
ETH_HDR_LEN_G(be32_to_cpu(req->hdr_len)) :
T6_ETH_HDR_LEN_G(be32_to_cpu(req->hdr_len));
int ip_len = (CHELSIO_CHIP_VERSION(type) <= CHELSIO_T5) ?
IP_HDR_LEN_G(be32_to_cpu(req->hdr_len)) :
T6_IP_HDR_LEN_G(be32_to_cpu(req->hdr_len));
struct iphdr *ip = (struct iphdr *)((u8 *)(req + 1) + eth_len);
struct ipv6hdr *ip6 = (struct ipv6hdr *)((u8 *)(req + 1) + eth_len);
struct tcphdr *tcp = (struct tcphdr *)
@ -2366,7 +2404,8 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
goto reject;
}
get_4tuple(req, &iptype, local_ip, peer_ip, &local_port, &peer_port);
get_4tuple(req, parent_ep->com.dev->rdev.lldi.adapter_type, &iptype,
local_ip, peer_ip, &local_port, &peer_port);
/* Find output route */
if (iptype == 4) {
@ -2401,7 +2440,8 @@ static int pass_accept_req(struct c4iw_dev *dev, struct sk_buff *skb)
goto reject;
}
err = import_ep(child_ep, iptype, peer_ip, dst, dev, false);
err = import_ep(child_ep, iptype, peer_ip, dst, dev, false,
parent_ep->com.dev->rdev.lldi.adapter_type);
if (err) {
printk(KERN_ERR MOD "%s - failed to allocate l2t entry!\n",
__func__);
@ -3193,7 +3233,8 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
goto fail2;
}
err = import_ep(ep, iptype, ra, ep->dst, ep->com.dev, true);
err = import_ep(ep, iptype, ra, ep->dst, ep->com.dev, true,
ep->com.dev->rdev.lldi.adapter_type);
if (err) {
printk(KERN_ERR MOD "%s - cannot alloc l2e.\n", __func__);
goto fail3;
@ -3601,20 +3642,23 @@ static int deferred_fw6_msg(struct c4iw_dev *dev, struct sk_buff *skb)
static void build_cpl_pass_accept_req(struct sk_buff *skb, int stid , u8 tos)
{
u32 l2info;
u16 vlantag, len, hdr_len, eth_hdr_len;
__be32 l2info;
__be16 hdr_len, vlantag, len;
u16 eth_hdr_len;
int tcp_hdr_len, ip_hdr_len;
u8 intf;
struct cpl_rx_pkt *cpl = cplhdr(skb);
struct cpl_pass_accept_req *req;
struct tcp_options_received tmp_opt;
struct c4iw_dev *dev;
enum chip_type type;
dev = *((struct c4iw_dev **) (skb->cb + sizeof(void *)));
/* Store values from cpl_rx_pkt in temporary location. */
vlantag = (__force u16) cpl->vlan;
len = (__force u16) cpl->len;
l2info = (__force u32) cpl->l2info;
hdr_len = (__force u16) cpl->hdr_len;
vlantag = cpl->vlan;
len = cpl->len;
l2info = cpl->l2info;
hdr_len = cpl->hdr_len;
intf = cpl->iff;
__skb_pull(skb, sizeof(*req) + sizeof(struct rss_header));
@ -3631,20 +3675,28 @@ static void build_cpl_pass_accept_req(struct sk_buff *skb, int stid , u8 tos)
memset(req, 0, sizeof(*req));
req->l2info = cpu_to_be16(SYN_INTF_V(intf) |
SYN_MAC_IDX_V(RX_MACIDX_G(
(__force int) htonl(l2info))) |
be32_to_cpu(l2info))) |
SYN_XACT_MATCH_F);
eth_hdr_len = is_t4(dev->rdev.lldi.adapter_type) ?
RX_ETHHDR_LEN_G((__force int)htonl(l2info)) :
RX_T5_ETHHDR_LEN_G((__force int)htonl(l2info));
req->hdr_len = cpu_to_be32(SYN_RX_CHAN_V(RX_CHAN_G(
(__force int) htonl(l2info))) |
TCP_HDR_LEN_V(RX_TCPHDR_LEN_G(
(__force int) htons(hdr_len))) |
IP_HDR_LEN_V(RX_IPHDR_LEN_G(
(__force int) htons(hdr_len))) |
ETH_HDR_LEN_V(RX_ETHHDR_LEN_G(eth_hdr_len)));
req->vlan = (__force __be16) vlantag;
req->len = (__force __be16) len;
type = dev->rdev.lldi.adapter_type;
tcp_hdr_len = RX_TCPHDR_LEN_G(be16_to_cpu(hdr_len));
ip_hdr_len = RX_IPHDR_LEN_G(be16_to_cpu(hdr_len));
req->hdr_len =
cpu_to_be32(SYN_RX_CHAN_V(RX_CHAN_G(be32_to_cpu(l2info))));
if (CHELSIO_CHIP_VERSION(type) <= CHELSIO_T5) {
eth_hdr_len = is_t4(type) ?
RX_ETHHDR_LEN_G(be32_to_cpu(l2info)) :
RX_T5_ETHHDR_LEN_G(be32_to_cpu(l2info));
req->hdr_len |= cpu_to_be32(TCP_HDR_LEN_V(tcp_hdr_len) |
IP_HDR_LEN_V(ip_hdr_len) |
ETH_HDR_LEN_V(eth_hdr_len));
} else { /* T6 and later */
eth_hdr_len = RX_T6_ETHHDR_LEN_G(be32_to_cpu(l2info));
req->hdr_len |= cpu_to_be32(T6_TCP_HDR_LEN_V(tcp_hdr_len) |
T6_IP_HDR_LEN_V(ip_hdr_len) |
T6_ETH_HDR_LEN_V(eth_hdr_len));
}
req->vlan = vlantag;
req->len = len;
req->tos_stid = cpu_to_be32(PASS_OPEN_TID_V(stid) |
PASS_OPEN_TOS_V(tos));
req->tcpopt.mss = htons(tmp_opt.mss_clamp);
@ -3763,9 +3815,22 @@ static int rx_pkt(struct c4iw_dev *dev, struct sk_buff *skb)
goto reject;
}
eth_hdr_len = is_t4(dev->rdev.lldi.adapter_type) ?
RX_ETHHDR_LEN_G(htonl(cpl->l2info)) :
RX_T5_ETHHDR_LEN_G(htonl(cpl->l2info));
switch (CHELSIO_CHIP_VERSION(dev->rdev.lldi.adapter_type)) {
case CHELSIO_T4:
eth_hdr_len = RX_ETHHDR_LEN_G(be32_to_cpu(cpl->l2info));
break;
case CHELSIO_T5:
eth_hdr_len = RX_T5_ETHHDR_LEN_G(be32_to_cpu(cpl->l2info));
break;
case CHELSIO_T6:
eth_hdr_len = RX_T6_ETHHDR_LEN_G(be32_to_cpu(cpl->l2info));
break;
default:
pr_err("T%d Chip is not supported\n",
CHELSIO_CHIP_VERSION(dev->rdev.lldi.adapter_type));
goto reject;
}
if (eth_hdr_len == ETH_HLEN) {
eh = (struct ethhdr *)(req + 1);
iph = (struct iphdr *)(eh + 1);

10
drivers/infiniband/hw/cxgb4/device.c
View File

@ -962,12 +962,12 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop)
devp->rdev.lldi.sge_egrstatuspagesize;
/*
* For T5 devices, we map all of BAR2 with WC.
* For T5/T6 devices, we map all of BAR2 with WC.
* For T4 devices with onchip qp mem, we map only that part
* of BAR2 with WC.
*/
devp->rdev.bar2_pa = pci_resource_start(devp->rdev.lldi.pdev, 2);
if (is_t5(devp->rdev.lldi.adapter_type)) {
if (!is_t4(devp->rdev.lldi.adapter_type)) {
devp->rdev.bar2_kva = ioremap_wc(devp->rdev.bar2_pa,
pci_resource_len(devp->rdev.lldi.pdev, 2));
if (!devp->rdev.bar2_kva) {
@ -1267,11 +1267,9 @@ static int enable_qp_db(int id, void *p, void *data)
static void resume_rc_qp(struct c4iw_qp *qp)
{
spin_lock(&qp->lock);
t4_ring_sq_db(&qp->wq, qp->wq.sq.wq_pidx_inc,
is_t5(qp->rhp->rdev.lldi.adapter_type), NULL);
t4_ring_sq_db(&qp->wq, qp->wq.sq.wq_pidx_inc, NULL);
qp->wq.sq.wq_pidx_inc = 0;
t4_ring_rq_db(&qp->wq, qp->wq.rq.wq_pidx_inc,
is_t5(qp->rhp->rdev.lldi.adapter_type), NULL);
t4_ring_rq_db(&qp->wq, qp->wq.rq.wq_pidx_inc, NULL);
qp->wq.rq.wq_pidx_inc = 0;
spin_unlock(&qp->lock);
}

2
drivers/infiniband/hw/cxgb4/provider.c
View File

@ -209,7 +209,7 @@ static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
if (addr >= rdev->oc_mw_pa)
vma->vm_page_prot = t4_pgprot_wc(vma->vm_page_prot);
else {
if (is_t5(rdev->lldi.adapter_type))
if (!is_t4(rdev->lldi.adapter_type))
vma->vm_page_prot =
t4_pgprot_wc(vma->vm_page_prot);
else

16
drivers/infiniband/hw/cxgb4/qp.c
View File

@ -712,8 +712,7 @@ static int ring_kernel_sq_db(struct c4iw_qp *qhp, u16 inc)
spin_lock_irqsave(&qhp->rhp->lock, flags);
spin_lock(&qhp->lock);
if (qhp->rhp->db_state == NORMAL)
t4_ring_sq_db(&qhp->wq, inc,
is_t5(qhp->rhp->rdev.lldi.adapter_type), NULL);
t4_ring_sq_db(&qhp->wq, inc, NULL);
else {
add_to_fc_list(&qhp->rhp->db_fc_list, &qhp->db_fc_entry);
qhp->wq.sq.wq_pidx_inc += inc;
@ -730,8 +729,7 @@ static int ring_kernel_rq_db(struct c4iw_qp *qhp, u16 inc)
spin_lock_irqsave(&qhp->rhp->lock, flags);
spin_lock(&qhp->lock);
if (qhp->rhp->db_state == NORMAL)
t4_ring_rq_db(&qhp->wq, inc,
is_t5(qhp->rhp->rdev.lldi.adapter_type), NULL);
t4_ring_rq_db(&qhp->wq, inc, NULL);
else {
add_to_fc_list(&qhp->rhp->db_fc_list, &qhp->db_fc_entry);
qhp->wq.rq.wq_pidx_inc += inc;
@ -817,7 +815,7 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
fw_opcode = FW_RI_FR_NSMR_WR;
swsqe->opcode = FW_RI_FAST_REGISTER;
err = build_fastreg(&qhp->wq.sq, wqe, wr, &len16,
is_t5(
!is_t4(
qhp->rhp->rdev.lldi.adapter_type) ?
1 : 0);
break;
@ -860,8 +858,7 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
idx += DIV_ROUND_UP(len16*16, T4_EQ_ENTRY_SIZE);
}
if (!qhp->rhp->rdev.status_page->db_off) {
t4_ring_sq_db(&qhp->wq, idx,
is_t5(qhp->rhp->rdev.lldi.adapter_type), wqe);
t4_ring_sq_db(&qhp->wq, idx, wqe);
spin_unlock_irqrestore(&qhp->lock, flag);
} else {
spin_unlock_irqrestore(&qhp->lock, flag);
@ -934,8 +931,7 @@ int c4iw_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
num_wrs--;
}
if (!qhp->rhp->rdev.status_page->db_off) {
t4_ring_rq_db(&qhp->wq, idx,
is_t5(qhp->rhp->rdev.lldi.adapter_type), wqe);
t4_ring_rq_db(&qhp->wq, idx, wqe);
spin_unlock_irqrestore(&qhp->lock, flag);
} else {
spin_unlock_irqrestore(&qhp->lock, flag);
@ -1875,7 +1871,7 @@ int c4iw_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
attrs.rq_db_inc = attr->rq_psn;
mask |= (attr_mask & IB_QP_SQ_PSN) ? C4IW_QP_ATTR_SQ_DB : 0;
mask |= (attr_mask & IB_QP_RQ_PSN) ? C4IW_QP_ATTR_RQ_DB : 0;
if (is_t5(to_c4iw_qp(ibqp)->rhp->rdev.lldi.adapter_type) &&
if (!is_t4(to_c4iw_qp(ibqp)->rhp->rdev.lldi.adapter_type) &&
(mask & (C4IW_QP_ATTR_SQ_DB|C4IW_QP_ATTR_RQ_DB)))
return -EINVAL;

5
drivers/infiniband/hw/cxgb4/t4.h
View File

@ -455,8 +455,7 @@ static inline void pio_copy(u64 __iomem *dst, u64 *src)
}
}
static inline void t4_ring_sq_db(struct t4_wq *wq, u16 inc, u8 t5,
union t4_wr *wqe)
static inline void t4_ring_sq_db(struct t4_wq *wq, u16 inc, union t4_wr *wqe)
{
/* Flush host queue memory writes. */
@ -482,7 +481,7 @@ static inline void t4_ring_sq_db(struct t4_wq *wq, u16 inc, u8 t5,
writel(QID_V(wq->sq.qid) | PIDX_V(inc), wq->db);
}
static inline void t4_ring_rq_db(struct t4_wq *wq, u16 inc, u8 t5,
static inline void t4_ring_rq_db(struct t4_wq *wq, u16 inc,
union t4_recv_wr *wqe)
{