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nfp: mark port state as stale if update failed 

If reading new state of the port failed, mark the port back as CHANGED.
This way next user state request will trigger refresh, which will
hopefully succeed.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2017-05-22 10:59:33 -07:00 committed by David S. Miller
parent 1f60a5815b
commit 46b250311d
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/netronome/nfp/nfp_net_main.c
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@ -528,6 +528,7 @@ nfp_net_eth_port_update(struct nfp_cpp *cpp, struct nfp_port *port,
eth_port = nfp_net_find_port(eth_table, port->eth_id); eth_port = nfp_net_find_port(eth_table, port->eth_id);
if (!eth_port) { if (!eth_port) {
set_bit(NFP_PORT_CHANGED, &port->flags);
nfp_warn(cpp, "Warning: port #%d not present after reconfig\n", nfp_warn(cpp, "Warning: port #%d not present after reconfig\n",
port->eth_id); port->eth_id);
return -EIO; return -EIO;
@ -563,6 +564,9 @@ static void nfp_net_refresh_vnics(struct work_struct *work)
eth_table = nfp_eth_read_ports(pf->cpp); eth_table = nfp_eth_read_ports(pf->cpp);
if (!eth_table) { if (!eth_table) {
list_for_each_entry(port, &pf->ports, port_list)
if (__nfp_port_get_eth_port(port))
set_bit(NFP_PORT_CHANGED, &port->flags);
rtnl_unlock(); rtnl_unlock();
nfp_err(pf->cpp, "Error refreshing port config!\n"); nfp_err(pf->cpp, "Error refreshing port config!\n");
goto out; goto out;
@ -611,6 +615,7 @@ int nfp_net_refresh_eth_port(struct nfp_port *port)
eth_table = nfp_eth_read_ports(cpp); eth_table = nfp_eth_read_ports(cpp);
if (!eth_table) { if (!eth_table) {
set_bit(NFP_PORT_CHANGED, &port->flags);
nfp_err(cpp, "Error refreshing port state table!\n"); nfp_err(cpp, "Error refreshing port state table!\n");
return -EIO; return -EIO;
} }