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cxgbe/iw_cxgbe: Set TCP_NODELAY before initiating connection so that

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t4_tom picks it up right away.  This is less work than waiting for
the connection to be established before applying the setting.

MFC after:	2 weeks
Sponsored by:	Chelsio Communications
This commit is contained in:
Navdeep Parhar 2017-09-01 01:34:12 +00:00
parent 0a3bf7fb7e
commit 95bb5b694e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=323082
1 changed files with 14 additions and 5 deletions
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19
sys/dev/cxgbe/iw_cxgbe/cm.c
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@ -108,6 +108,7 @@ static void process_peer_close(struct c4iw_ep *ep);
static void process_conn_error(struct c4iw_ep *ep);
static void process_close_complete(struct c4iw_ep *ep);
static void ep_timeout(unsigned long arg);
static void setiwsockopt(struct socket *so);
static void init_iwarp_socket(struct socket *so, void *arg);
static void uninit_iwarp_socket(struct socket *so);
static void process_data(struct c4iw_ep *ep);
@ -616,16 +617,12 @@ process_close_complete(struct c4iw_ep *ep)
}
static void
init_iwarp_socket(struct socket *so, void *arg)
setiwsockopt(struct socket *so)
{
int rc;
struct sockopt sopt;
int on = 1;
SOCKBUF_LOCK(&so->so_rcv);
soupcall_set(so, SO_RCV, c4iw_so_upcall, arg);
so->so_state |= SS_NBIO;
SOCKBUF_UNLOCK(&so->so_rcv);
sopt.sopt_dir = SOPT_SET;
sopt.sopt_level = IPPROTO_TCP;
sopt.sopt_name = TCP_NODELAY;
@ -639,6 +636,16 @@ init_iwarp_socket(struct socket *so, void *arg)
}
}
static void
init_iwarp_socket(struct socket *so, void *arg)
{
SOCKBUF_LOCK(&so->so_rcv);
soupcall_set(so, SO_RCV, c4iw_so_upcall, arg);
so->so_state |= SS_NBIO;
SOCKBUF_UNLOCK(&so->so_rcv);
}
static void
uninit_iwarp_socket(struct socket *so)
{
@ -734,6 +741,7 @@ process_newconn(struct iw_cm_id *parent_cm_id, struct socket *child_so)
free(local, M_SONAME);
free(remote, M_SONAME);
setiwsockopt(child_so);
init_iwarp_socket(child_so, &child_ep->com);
c4iw_get_ep(&parent_ep->com);
init_timer(&child_ep->timer);
@ -2235,6 +2243,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
}
fib4_free_nh_ext(RT_DEFAULT_FIB, &nh4);
setiwsockopt(cm_id->so);
state_set(&ep->com, CONNECTING);
ep->tos = 0;
ep->com.local_addr = cm_id->local_addr;