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authorFlorin Coras <fcoras@cisco.com>2022-10-18 18:37:56 -0700
committerDave Wallace <dwallacelf@gmail.com>2022-10-20 18:14:32 +0000
commitf8ee39ff715ec713045af69da465ba4da8248212 (patch)
treeb9625b2f2b3effaabaded647b06d6ba871d71d6a /src/vnet/udp/udp.h
parent20de85b6da7e0b6dd0d73bc8358e7c67564d0c36 (diff)
udp: support for disabling tx csum
Type: feature Signed-off-by: Florin Coras <fcoras@cisco.com> Change-Id: I84843eb3a0a66c64cd46536624633e0dae1c4681
Diffstat (limited to 'src/vnet/udp/udp.h')
-rw-r--r--src/vnet/udp/udp.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/vnet/udp/udp.h b/src/vnet/udp/udp.h
index 96316a43fc8..94362ad991c 100644
--- a/src/vnet/udp/udp.h
+++ b/src/vnet/udp/udp.h
@@ -55,6 +55,24 @@ typedef enum udp_conn_flags_
#undef _
} udp_conn_flags_t;
+#define foreach_udp_cfg_flag _ (NO_CSUM_OFFLOAD, "no-csum-offload")
+
+typedef enum udp_cfg_flag_bits_
+{
+#define _(sym, str) UDP_CFG_F_##sym##_BIT,
+ foreach_udp_cfg_flag
+#undef _
+ UDP_CFG_N_FLAG_BITS
+} udp_cfg_flag_bits_e;
+
+typedef enum udp_cfg_flag_
+{
+#define _(sym, str) UDP_CFG_F_##sym = 1 << UDP_CFG_F_##sym##_BIT,
+ foreach_udp_cfg_flag
+#undef _
+ UDP_CFG_N_FLAGS
+} __clib_packed udp_cfg_flags_t;
+
typedef struct
{
/** Required for pool_get_aligned */
@@ -62,12 +80,15 @@ typedef struct
transport_connection_t connection; /**< must be first */
clib_spinlock_t rx_lock; /**< rx fifo lock */
u8 flags; /**< connection flags */
+ udp_cfg_flags_t cfg_flags; /**< configuration flags */
u16 mss; /**< connection mss */
u32 sw_if_index; /**< connection sw_if_index */
u32 next_node_index; /**< Can be used to control next node in output */
u32 next_node_opaque; /**< Opaque to pass to next node */
} udp_connection_t;
+#define udp_csum_offload(uc) (!((uc)->cfg_flags & UDP_CFG_F_NO_CSUM_OFFLOAD))
+
typedef struct
{
/* Name (a c string). */
@@ -122,6 +143,7 @@ typedef struct
u16 default_mtu;
u16 msg_id_base;
+ u8 csum_offload;
u8 icmp_send_unreachable_disabled;
} udp_main_t;