From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hal Rosenstock Subject: [PATCH] infiniband-diags/iblinkinfo.c: Changes for extended link speeds Date: Tue, 16 Aug 2011 06:28:39 -0400 Message-ID: <4E4A4657.7060705@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ira Weiny Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org Signed-off-by: Hal Rosenstock --- diff --git a/src/iblinkinfo.c b/src/iblinkinfo.c index c07d33e..b282d07 100644 --- a/src/iblinkinfo.c +++ b/src/iblinkinfo.c @@ -92,6 +92,8 @@ void get_msg(char *width_msg, char *speed_msg, int msg_size, ibnd_port_t * port) { char buf[64]; uint32_t max_speed = 0; + uint32_t cap_mask, rem_cap_mask; + uint8_t *info; uint32_t max_width = get_max(mad_get_field(port->info, 0, IB_PORT_LINK_WIDTH_SUPPORTED_F) @@ -105,6 +107,21 @@ void get_msg(char *width_msg, char *speed_msg, int msg_size, ibnd_port_t * port) mad_dump_val(IB_PORT_LINK_WIDTH_ACTIVE_F, buf, 64, &max_width)); + if (port->node->type == IB_NODE_SWITCH) + info = (uint8_t *)&port->node->ports[0]->info; + else + info = (uint8_t *)&port->info; + cap_mask = mad_get_field(info, 0, IB_PORT_CAPMASK_F); + + if (port->remoteport->node->type == IB_NODE_SWITCH) + info = (uint8_t *)&port->remoteport->node->ports[0]->info; + else + info = (uint8_t *)&port->remoteport->info; + rem_cap_mask = mad_get_field(info, 0, IB_PORT_CAPMASK_F); + if (cap_mask & IB_PORT_CAP_HAS_EXT_SPEEDS && + rem_cap_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) + goto check_ext_speed; +check_speed_supp: max_speed = get_max(mad_get_field(port->info, 0, IB_PORT_LINK_SPEED_SUPPORTED_F) & mad_get_field(port->remoteport->info, 0, @@ -116,6 +133,25 @@ void get_msg(char *width_msg, char *speed_msg, int msg_size, ibnd_port_t * port) snprintf(speed_msg, msg_size, "Could be %s", mad_dump_val(IB_PORT_LINK_SPEED_ACTIVE_F, buf, 64, &max_speed)); + return; + +check_ext_speed: + if (mad_get_field(port->info, 0, + IB_PORT_LINK_SPEED_EXT_SUPPORTED_F) == 0 || + mad_get_field(port->remoteport->info, 0, + IB_PORT_LINK_SPEED_EXT_SUPPORTED_F) == 0) + goto check_speed_supp; + max_speed = get_max(mad_get_field(port->info, 0, + IB_PORT_LINK_SPEED_EXT_SUPPORTED_F) + & mad_get_field(port->remoteport->info, 0, + IB_PORT_LINK_SPEED_EXT_SUPPORTED_F)); + if ((max_speed & mad_get_field(port->info, 0, + IB_PORT_LINK_SPEED_EXT_ACTIVE_F)) == 0) + // we are not at the max supported extended speed + // print what we could be at. + snprintf(speed_msg, msg_size, "Could be %s", + mad_dump_val(IB_PORT_LINK_SPEED_EXT_ACTIVE_F, + buf, 64, &max_speed)); } int filterdownport_check(ibnd_node_t * node, ibnd_port_t * port) @@ -151,14 +187,27 @@ void print_port(ibnd_node_t * node, ibnd_port_t * port, char *out_prefix) char width_msg[256]; char speed_msg[256]; char ext_port_str[256]; - int iwidth, ispeed, istate, iphystate; + int iwidth, ispeed, espeed, istate, iphystate, cap_mask; int n = 0; + uint8_t *info; if (!port) return; iwidth = mad_get_field(port->info, 0, IB_PORT_LINK_WIDTH_ACTIVE_F); ispeed = mad_get_field(port->info, 0, IB_PORT_LINK_SPEED_ACTIVE_F); + + if (port->node->type == IB_NODE_SWITCH) + info = (uint8_t *)&port->node->ports[0]->info; + else + info = (uint8_t *)&port->info; + cap_mask = mad_get_field(info, 0, IB_PORT_CAPMASK_F); + if (cap_mask & IB_PORT_CAP_HAS_EXT_SPEEDS) + espeed = mad_get_field(port->info, 0, + IB_PORT_LINK_SPEED_EXT_ACTIVE_F); + else + espeed = 0; + istate = mad_get_field(port->info, 0, IB_PORT_STATE_F); iphystate = mad_get_field(port->info, 0, IB_PORT_PHYS_STATE_F); @@ -180,8 +229,11 @@ void print_port(ibnd_node_t * node, ibnd_port_t * port, char *out_prefix) n = snprintf(link_str, 256, "(%3s %9s %6s/%8s)", mad_dump_val(IB_PORT_LINK_WIDTH_ACTIVE_F, width, 64, &iwidth), - mad_dump_val(IB_PORT_LINK_SPEED_ACTIVE_F, speed, 64, - &ispeed), + (ispeed != 4 || !espeed) ? + mad_dump_val(IB_PORT_LINK_SPEED_ACTIVE_F, speed, 64, + &ispeed) : + mad_dump_val(IB_PORT_LINK_SPEED_EXT_ACTIVE_F, speed, 64, + &espeed), mad_dump_val(IB_PORT_STATE_F, state, 64, &istate), mad_dump_val(IB_PORT_PHYS_STATE_F, physstate, 64, &iphystate)); -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html