diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_eswitch.c | 80 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_eswitch.h | 26 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h | 43 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_repr.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx.c | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx_lib.c | 4 |
6 files changed, 156 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.c b/drivers/net/ethernet/intel/ice/ice_eswitch.c index 0acbe29fa091..477e3f2d616d 100644 --- a/drivers/net/ethernet/intel/ice/ice_eswitch.c +++ b/drivers/net/ethernet/intel/ice/ice_eswitch.c @@ -259,6 +259,58 @@ void ice_eswitch_update_repr(struct ice_vsi *vsi) } /** + * ice_eswitch_port_start_xmit - callback for packets transmit + * @skb: send buffer + * @netdev: network interface device structure + * + * Returns NETDEV_TX_OK if sent, else an error code + */ +netdev_tx_t +ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev) +{ + struct ice_netdev_priv *np; + struct ice_repr *repr; + struct ice_vsi *vsi; + + np = netdev_priv(netdev); + vsi = np->vsi; + + if (ice_is_reset_in_progress(vsi->back->state)) + return NETDEV_TX_BUSY; + + repr = ice_netdev_to_repr(netdev); + skb_dst_drop(skb); + dst_hold((struct dst_entry *)repr->dst); + skb_dst_set(skb, (struct dst_entry *)repr->dst); + skb->queue_mapping = repr->vf->vf_id; + + return ice_start_xmit(skb, netdev); +} + +/** + * ice_eswitch_set_target_vsi - set switchdev context in Tx context descriptor + * @skb: pointer to send buffer + * @off: pointer to offload struct + */ +void +ice_eswitch_set_target_vsi(struct sk_buff *skb, + struct ice_tx_offload_params *off) +{ + struct metadata_dst *dst = skb_metadata_dst(skb); + u64 cd_cmd, dst_vsi; + + if (!dst) { + cd_cmd = ICE_TX_CTX_DESC_SWTCH_UPLINK << ICE_TXD_CTX_QW1_CMD_S; + off->cd_qw1 |= (cd_cmd | ICE_TX_DESC_DTYPE_CTX); + } else { + cd_cmd = ICE_TX_CTX_DESC_SWTCH_VSI << ICE_TXD_CTX_QW1_CMD_S; + dst_vsi = ((u64)dst->u.port_info.port_id << + ICE_TXD_CTX_QW1_VSI_S) & ICE_TXD_CTX_QW1_VSI_M; + off->cd_qw1 = cd_cmd | dst_vsi | ICE_TX_DESC_DTYPE_CTX; + } +} + +/** * ice_eswitch_release_env - clear switchdev HW filters * @pf: pointer to PF struct * @@ -449,6 +501,34 @@ ice_eswitch_mode_set(struct devlink *devlink, u16 mode, } /** + * ice_eswitch_get_target_netdev - return port representor netdev + * @rx_ring: pointer to Rx ring + * @rx_desc: pointer to Rx descriptor + * + * When working in switchdev mode context (when control VSI is used), this + * function returns netdev of appropriate port representor. For non-switchdev + * context, regular netdev associated with Rx ring is returned. + */ +struct net_device * +ice_eswitch_get_target_netdev(struct ice_ring *rx_ring, + union ice_32b_rx_flex_desc *rx_desc) +{ + struct ice_32b_rx_flex_desc_nic_2 *desc; + struct ice_vsi *vsi = rx_ring->vsi; + struct ice_vsi *control_vsi; + u16 target_vsi_id; + + control_vsi = vsi->back->switchdev.control_vsi; + if (vsi != control_vsi) + return rx_ring->netdev; + + desc = (struct ice_32b_rx_flex_desc_nic_2 *)rx_desc; + target_vsi_id = le16_to_cpu(desc->src_vsi); + + return vsi->target_netdevs[target_vsi_id]; +} + +/** * ice_eswitch_mode_get - get current eswitch mode * @devlink: pointer to devlink structure * @mode: output parameter for current eswitch mode diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.h b/drivers/net/ethernet/intel/ice/ice_eswitch.h index 609774bf1c3e..23df0d400847 100644 --- a/drivers/net/ethernet/intel/ice/ice_eswitch.h +++ b/drivers/net/ethernet/intel/ice/ice_eswitch.h @@ -20,11 +20,24 @@ bool ice_is_eswitch_mode_switchdev(struct ice_pf *pf); void ice_eswitch_update_repr(struct ice_vsi *vsi); void ice_eswitch_stop_all_tx_queues(struct ice_pf *pf); + +struct net_device * +ice_eswitch_get_target_netdev(struct ice_ring *rx_ring, + union ice_32b_rx_flex_desc *rx_desc); + +void ice_eswitch_set_target_vsi(struct sk_buff *skb, + struct ice_tx_offload_params *off); +netdev_tx_t +ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev); #else /* CONFIG_ICE_SWITCHDEV */ static inline void ice_eswitch_release(struct ice_pf *pf) { } static inline void ice_eswitch_stop_all_tx_queues(struct ice_pf *pf) { } +static inline void +ice_eswitch_set_target_vsi(struct sk_buff *skb, + struct ice_tx_offload_params *off) { } + static inline void ice_eswitch_update_repr(struct ice_vsi *vsi) { } static inline int ice_eswitch_configure(struct ice_pf *pf) @@ -53,5 +66,18 @@ static inline bool ice_is_eswitch_mode_switchdev(struct ice_pf *pf) { return false; } + +static inline struct net_device * +ice_eswitch_get_target_netdev(struct ice_ring *rx_ring, + union ice_32b_rx_flex_desc *rx_desc) +{ + return rx_ring->netdev; +} + +static inline netdev_tx_t +ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev) +{ + return NETDEV_TX_BUSY; +} #endif /* CONFIG_ICE_SWITCHDEV */ #endif /* _ICE_ESWITCH_H_ */ diff --git a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h index 80736e0ec0dc..d981dc6f2323 100644 --- a/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h +++ b/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h @@ -301,6 +301,46 @@ struct ice_32b_rx_flex_desc_nic { } flex_ts; }; +/* Rx Flex Descriptor NIC Profile + * RxDID Profile ID 6 + * Flex-field 0: RSS hash lower 16-bits + * Flex-field 1: RSS hash upper 16-bits + * Flex-field 2: Flow ID lower 16-bits + * Flex-field 3: Source VSI + * Flex-field 4: reserved, VLAN ID taken from L2Tag + */ +struct ice_32b_rx_flex_desc_nic_2 { + /* Qword 0 */ + u8 rxdid; + u8 mir_id_umb_cast; + __le16 ptype_flexi_flags0; + __le16 pkt_len; + __le16 hdr_len_sph_flex_flags1; + + /* Qword 1 */ + __le16 status_error0; + __le16 l2tag1; + __le32 rss_hash; + + /* Qword 2 */ + __le16 status_error1; + u8 flexi_flags2; + u8 ts_low; + __le16 l2tag2_1st; + __le16 l2tag2_2nd; + + /* Qword 3 */ + __le16 flow_id; + __le16 src_vsi; + union { + struct { + __le16 rsvd; + __le16 flow_id_ipv6; + } flex; + __le32 ts_high; + } flex_ts; +}; + /* Receive Flex Descriptor profile IDs: There are a total * of 64 profiles where profile IDs 0/1 are for legacy; and * profiles 2-63 are flex profiles that can be programmed @@ -529,6 +569,9 @@ struct ice_tx_ctx_desc { #define ICE_TXD_CTX_QW1_MSS_S 50 +#define ICE_TXD_CTX_QW1_VSI_S 50 +#define ICE_TXD_CTX_QW1_VSI_M (0x3FFULL << ICE_TXD_CTX_QW1_VSI_S) + enum ice_tx_ctx_desc_cmd_bits { ICE_TX_CTX_DESC_TSO = 0x01, ICE_TX_CTX_DESC_TSYN = 0x02, diff --git a/drivers/net/ethernet/intel/ice/ice_repr.c b/drivers/net/ethernet/intel/ice/ice_repr.c index c558fb583e97..ee11bfc7bee1 100644 --- a/drivers/net/ethernet/intel/ice/ice_repr.c +++ b/drivers/net/ethernet/intel/ice/ice_repr.c @@ -114,6 +114,7 @@ static const struct net_device_ops ice_repr_netdev_ops = { .ndo_get_phys_port_name = ice_repr_get_phys_port_name, .ndo_open = ice_repr_open, .ndo_stop = ice_repr_stop, + .ndo_start_xmit = ice_eswitch_port_start_xmit, .ndo_get_devlink_port = ice_repr_get_devlink_port, }; diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c index 13b2bdc25b0d..4da9420df1b0 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx.c @@ -14,6 +14,7 @@ #include "ice_trace.h" #include "ice_dcb_lib.h" #include "ice_xsk.h" +#include "ice_eswitch.h" #define ICE_RX_HDR_SIZE 256 @@ -2246,6 +2247,8 @@ ice_xmit_frame_ring(struct sk_buff *skb, struct ice_ring *tx_ring) ICE_TXD_CTX_QW1_CMD_S); ice_tstamp(tx_ring, skb, first, &offload); + if (ice_is_switchdev_running(vsi->back)) + ice_eswitch_set_target_vsi(skb, &offload); if (offload.cd_qw1 & ICE_TX_DESC_DTYPE_CTX) { struct ice_tx_ctx_desc *cdesc; diff --git a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c index 171397dcf00a..e314a1aee0ff 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_txrx_lib.c @@ -2,6 +2,7 @@ /* Copyright (c) 2019, Intel Corporation. */ #include "ice_txrx_lib.h" +#include "ice_eswitch.h" /** * ice_release_rx_desc - Store the new tail and head values @@ -185,7 +186,8 @@ ice_process_skb_fields(struct ice_ring *rx_ring, ice_rx_hash(rx_ring, rx_desc, skb, ptype); /* modifies the skb - consumes the enet header */ - skb->protocol = eth_type_trans(skb, rx_ring->netdev); + skb->protocol = eth_type_trans(skb, ice_eswitch_get_target_netdev + (rx_ring, rx_desc)); ice_rx_csum(rx_ring, skb, rx_desc, ptype); |