[PATCH] infiniband-diags/iblinkinfo.c: Changes for extended link speeds
From: Hal Rosenstock <hidden>
Date: 2011-08-16 10:28:39
Subsystem:
the rest · Maintainer:
Linus Torvalds
Signed-off-by: Hal Rosenstock <hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> ---
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)); --
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