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fcoe-utils.5944
0009-fcoemon.c-Add-a-check-to-verify-if-dcbd-is...
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File 0009-fcoemon.c-Add-a-check-to-verify-if-dcbd-is-to-be-ini.patch of Package fcoe-utils.5944
From 0b4e0a99af9e0103c7b25cc3c7997c18bdc46bf4 Mon Sep 17 00:00:00 2001 From: "Milan P. Gandhi" <mgandhi@redhat.com> Date: Mon, 28 Mar 2016 12:52:12 +0000 Subject: fcoemon.c: Add a check to verify if dcbd is to be initialized, else do not try to connect to dcbd/lldpad Some of the FCoE capable adapters e.g. BCM57810 network interfaces has DCBX/LLDP client on-chip, and kernel documentation recommends to keep software based DCBX/LLDP clients (e.g. lldpad) disabled. https://www.kernel.org/doc/Documentation/scsi/bnx2fc.txt It was found that, if lldpad is disabled while using above interfaces, then fcoemon shows following errors every 10 seconds: fcoemon: error 111 Connection refused fcoemon: Failed to connect to lldpad Below patch checks each interface configuration in /etc/fcoe/cfg-ethX file to verify if there is at least 1 interface with DCB_REQUIRED flag set to yes and will try to initialize dcbd only if there is at least 1 interface with DCB_REQUIRED="yes", else fcoemon will not try to initialize dcbd or connect to lldpad, thus eliminating above errors: X-Git-commit: 0231b0c71464af17a0cf392e55174c97a5986640 Signed-off-by: Milan P. Gandhi <mgandhi@redhat.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Laurence Oberman <loberman@redhat.com> Tested-by: Laurence Oberman <loberman@redhat.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Vasu Dev <vasu.dev@intel.com> --- fcoemon.c | 7 ++++++- fcoemon.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/fcoemon.c b/fcoemon.c index b5f4d71..6fe50a2 100644 --- a/fcoemon.c +++ b/fcoemon.c @@ -557,6 +557,9 @@ static int fcm_read_config_files(void) if (!strncasecmp(val, "yes", 3) && rc == 1) next->dcb_required = 1; + if (next->dcb_required == 1 && fcoe_config.dcb_init == 0) + fcoe_config.dcb_init = 1; + /* AUTO_VLAN */ rc = fcm_read_config_variable(file, val, sizeof(val), fp, CFG_IF_VAR_AUTOVLAN); @@ -3774,7 +3777,9 @@ int main(int argc, char **argv) if (rc != 0) goto err_cleanup; - fcm_dcbd_init(); + if (fcoe_config.dcb_init) + fcm_dcbd_init(); + rc = fcm_srv_create(&srv_info); if (rc != 0) goto err_cleanup; diff --git a/fcoemon.h b/fcoemon.h index 3869bae..0e0e6a2 100644 --- a/fcoemon.h +++ b/fcoemon.h @@ -25,6 +25,7 @@ struct fcoe_config { int debug; int use_syslog; + int dcb_init; struct fcoe_port *port; } fcoe_config; -- 2.6.6
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