From 5b3f523918932793254b6313f78659fe0ed6320e Mon Sep 17 00:00:00 2001 From: Mohsin Kazmi Date: Wed, 10 Feb 2021 12:03:53 +0100 Subject: interface: add capabilities flags Type: improvement This patch adds flags to represent the modern NICs capabilities. Change-Id: I96d38d9ab7eac55974d72795cd100d8337168e1e Signed-off-by: Mohsin Kazmi --- src/vnet/interface.h | 68 +++++++++++++++++++++++++++++++++++++++++++++------- 1 file changed, 59 insertions(+), 9 deletions(-) (limited to 'src/vnet/interface.h') diff --git a/src/vnet/interface.h b/src/vnet/interface.h index 9c5844257d8..8424b71c545 100644 --- a/src/vnet/interface.h +++ b/src/vnet/interface.h @@ -510,21 +510,64 @@ typedef enum vnet_hw_interface_flags_t_ VNET_HW_INTERFACE_FLAG_HALF_DUPLEX = (1 << 1), VNET_HW_INTERFACE_FLAG_FULL_DUPLEX = (1 << 2), - /* rx mode flags */ - VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE = (1 << 16), + /* non-broadcast multiple access */ + VNET_HW_INTERFACE_FLAG_NBMA = (1 << 19), +} vnet_hw_interface_flags_t; + +typedef enum vnet_hw_interface_capabilities_t_ +{ + VNET_HW_INTERFACE_CAP_NONE, /* tx checksum offload */ - VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD = (1 << 17), + VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_CKSUM = (1 << 0), + VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM = (1 << 1), + VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM = (1 << 2), + VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_OUTER_CKSUM = (1 << 3), + VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_OUTER_CKSUM = (1 << 4), + + /* rx checksum offload */ + VNET_HW_INTERFACE_CAP_SUPPORTS_RX_IP4_CKSUM = (1 << 5), + VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_CKSUM = (1 << 6), + VNET_HW_INTERFACE_CAP_SUPPORTS_RX_TCP_CKSUM = (1 << 7), + VNET_HW_INTERFACE_CAP_SUPPORTS_RX_IP4_OUTER_CKSUM = (1 << 8), + VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_OUTER_CKSUM = (1 << 9), /* gso */ - VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO = (1 << 18), + VNET_HW_INTERFACE_CAP_SUPPORTS_TCP_GSO = (1 << 10), + VNET_HW_INTERFACE_CAP_SUPPORTS_UDP_GSO = (1 << 11), + VNET_HW_INTERFACE_CAP_SUPPORTS_VXLAN_TNL_GSO = (1 << 12), + VNET_HW_INTERFACE_CAP_SUPPORTS_IPIP_TNL_GSO = (1 << 13), + VNET_HW_INTERFACE_CAP_SUPPORTS_GENEVE_TNL_GSO = (1 << 14), + VNET_HW_INTERFACE_CAP_SUPPORTS_GRE_TNL_GSO = (1 << 15), + VNET_HW_INTERFACE_CAP_SUPPORTS_UDP_TNL_GSO = (1 << 16), + VNET_HW_INTERFACE_CAP_SUPPORTS_IP_TNL_GSO = (1 << 17), + + /* lro */ + VNET_HW_INTERFACE_CAP_SUPPORTS_TCP_LRO = (1 << 18), + + /* rx mode */ + VNET_HW_INTERFACE_CAP_SUPPORTS_INT_MODE = (1 << 30), + /* hw/driver can switch between l2-promisc and l3-dmac-filter modes */ + VNET_HW_INTERFACE_CAP_SUPPORTS_MAC_FILTER = (1 << 31), +} vnet_hw_interface_capabilities_t; - /* non-broadcast multiple access */ - VNET_HW_INTERFACE_FLAG_NBMA = (1 << 19), +#define VNET_HW_INTERFACE_CAP_SUPPORTS_L4_TX_CKSUM \ + (VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM | \ + VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM) - /* hw/driver can switch between l2-promisc and l3-dmac-filter modes */ - VNET_HW_INTERFACE_FLAG_SUPPORTS_MAC_FILTER = (1 << 20), -} vnet_hw_interface_flags_t; +#define VNET_HW_INTERFACE_CAP_SUPPORTS_TX_CKSUM \ + (VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_CKSUM | \ + VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM | \ + VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM) + +#define VNET_HW_INTERFACE_CAP_SUPPORTS_L4_RX_CKSUM \ + (VNET_HW_INTERFACE_CAP_SUPPORTS_RX_TCP_CKSUM | \ + VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_CKSUM) + +#define VNET_HW_INTERFACE_CAP_SUPPORTS_RX_CKSUM \ + (VNET_HW_INTERFACE_CAP_SUPPORTS_RX_IP4_CKSUM | \ + VNET_HW_INTERFACE_CAP_SUPPORTS_RX_TCP_CKSUM | \ + VNET_HW_INTERFACE_CAP_SUPPORTS_RX_UDP_CKSUM) #define VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT 1 #define VNET_HW_INTERFACE_FLAG_SPEED_SHIFT 3 @@ -566,6 +609,8 @@ typedef struct vnet_hw_interface_t /* flags */ vnet_hw_interface_flags_t flags; + /* capabilities flags */ + vnet_hw_interface_capabilities_t caps; /* link speed in kbps */ u32 link_speed; @@ -592,6 +637,8 @@ typedef struct vnet_hw_interface_t /* Software index for this hardware interface. */ u32 sw_if_index; + CLIB_CACHE_LINE_ALIGN_MARK (cacheline1); + /* Next index in interface-output node for this interface used by node function vnet_per_buffer_interface_output() */ u32 output_node_next_index; @@ -649,6 +696,9 @@ typedef struct vnet_hw_interface_t u32 trace_classify_table_index; } vnet_hw_interface_t; +STATIC_ASSERT_OFFSET_OF (vnet_hw_interface_t, cacheline1, + CLIB_CACHE_LINE_BYTES); + typedef struct { u32 dev_instance; -- cgit 1.2.3-korg