| Message ID | 20221101110248.423966-2-simon.horman@corigine.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | nfp: IPsec offload support | expand |
On Tue, Nov 01, 2022 at 12:02:46PM +0100, Simon Horman wrote: > From: Yinjun Zhang <yinjun.zhang@corigine.com> > > Currently the 32-bit capability word is almost exhausted, now > allocate some more words to support new features, and control > word is also extended accordingly. Packet-type offloading is > implemented in NIC application firmware, but it's not used in > kernel driver, so reserve this bit here in case it's redefined > for other use. > > Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com> > Reviewed-by: Louis Peens <louis.peens@corigine.com> > Signed-off-by: Simon Horman <simon.horman@corigine.com> > --- > drivers/net/ethernet/netronome/nfp/nfp_net.h | 2 ++ > .../net/ethernet/netronome/nfp/nfp_net_common.c | 1 + > drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h | 14 +++++++++++--- > 3 files changed, 14 insertions(+), 3 deletions(-) > Thanks, Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net.h b/drivers/net/ethernet/netronome/nfp/nfp_net.h index a101ff30a1ae..0c3e7e2f856d 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net.h @@ -541,6 +541,7 @@ struct nfp_net_dp { * @id: vNIC id within the PF (0 for VFs) * @fw_ver: Firmware version * @cap: Capabilities advertised by the Firmware + * @cap_w1: Extended capabilities word advertised by the Firmware * @max_mtu: Maximum support MTU advertised by the Firmware * @rss_hfunc: RSS selected hash function * @rss_cfg: RSS configuration @@ -617,6 +618,7 @@ struct nfp_net { u32 id; u32 cap; + u32 cap_w1; u32 max_mtu; u8 rss_hfunc; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index a5ca5c4a7896..50bc5f5a40f3 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -2454,6 +2454,7 @@ static int nfp_net_read_caps(struct nfp_net *nn) { /* Get some of the read-only fields from the BAR */ nn->cap = nn_readl(nn, NFP_NET_CFG_CAP); + nn->cap_w1 = nn_readq(nn, NFP_NET_CFG_CAP_WORD1); nn->max_mtu = nn_readl(nn, NFP_NET_CFG_MAX_MTU); /* ABI 4.x and ctrl vNIC always use chained metadata, in other cases diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h b/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h index 6714d5e8fdab..bc94d2cf1042 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ctrl.h @@ -257,10 +257,18 @@ #define NFP_NET_CFG_BPF_CFG_MASK 7ULL #define NFP_NET_CFG_BPF_ADDR_MASK (~NFP_NET_CFG_BPF_CFG_MASK) -/* 40B reserved for future use (0x0098 - 0x00c0) +/* 3 words reserved for extended ctrl words (0x0098 - 0x00a4) + * 3 words reserved for extended cap words (0x00a4 - 0x00b0) + * Currently only one word is used, can be extended in future. */ -#define NFP_NET_CFG_RESERVED 0x0098 -#define NFP_NET_CFG_RESERVED_SZ 0x0028 +#define NFP_NET_CFG_CTRL_WORD1 0x0098 +#define NFP_NET_CFG_CTRL_PKT_TYPE (0x1 << 0) /* Pkttype offload */ + +#define NFP_NET_CFG_CAP_WORD1 0x00a4 + +/* 16B reserved for future use (0x00b0 - 0x00c0) */ +#define NFP_NET_CFG_RESERVED 0x00b0 +#define NFP_NET_CFG_RESERVED_SZ 0x0010 /* RSS configuration (0x0100 - 0x01ac): * Used only when NFP_NET_CFG_CTRL_RSS is enabled