diff options
| author | Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-05-26 11:03:35 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-26 18:01:49 +0300 |
| commit | f0b81195381f0fd9ec84009a0e5a4bb12ccc9637 (patch) | |
| tree | e81bba8457b7003540512d00ad847e5e1cbac82c | |
| parent | 53e7a08f0da16eb67daf616405b0579e98565cdc (diff) | |
| download | linux-f0b81195381f0fd9ec84009a0e5a4bb12ccc9637.tar.xz | |
nfp: calculate total port lanes for split
For port splitting we will need to know the total number of lanes
in a port. Calculate that based on eth_table information.
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>
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c | 11 |
2 files changed, 9 insertions, 5 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h index 36b21e4dc56d..84a1d20adae1 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h @@ -96,6 +96,7 @@ enum nfp_eth_aneg { * @override_changed: is media reconfig pending? * * @port_type: one of %PORT_* defines for ethtool + * @port_lanes: total number of lanes on the port (sum of lanes of all subports) * @is_split: is interface part of a split port */ struct nfp_eth_table { @@ -127,6 +128,8 @@ struct nfp_eth_table { /* Computed fields */ u8 port_type; + unsigned int port_lanes; + bool is_split; } ports[0]; }; diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c index 639438d8313a..b0f8785c064f 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_eth.c @@ -186,17 +186,19 @@ nfp_eth_port_translate(struct nfp_nsp *nsp, const union eth_table_entry *src, } static void -nfp_eth_mark_split_ports(struct nfp_cpp *cpp, struct nfp_eth_table *table) +nfp_eth_calc_port_geometry(struct nfp_cpp *cpp, struct nfp_eth_table *table) { unsigned int i, j; for (i = 0; i < table->count; i++) for (j = 0; j < table->count; j++) { - if (i == j) - continue; if (table->ports[i].label_port != table->ports[j].label_port) continue; + table->ports[i].port_lanes += table->ports[j].lanes; + + if (i == j) + continue; if (table->ports[i].label_subport == table->ports[j].label_subport) nfp_warn(cpp, @@ -205,7 +207,6 @@ nfp_eth_mark_split_ports(struct nfp_cpp *cpp, struct nfp_eth_table *table) table->ports[i].label_subport); table->ports[i].is_split = true; - break; } } @@ -289,7 +290,7 @@ __nfp_eth_read_ports(struct nfp_cpp *cpp, struct nfp_nsp *nsp) nfp_eth_port_translate(nsp, &entries[i], i, &table->ports[j++]); - nfp_eth_mark_split_ports(cpp, table); + nfp_eth_calc_port_geometry(cpp, table); for (i = 0; i < table->count; i++) nfp_eth_calc_port_type(cpp, &table->ports[i]); |