.\" Automatically generated by Pandoc 1.19.2.4
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.TH "mlx5dv_create_flow_action_modify_header" "3" "" "" ""
.hy
.SH NAME
.PP
mlx5dv_create_flow_action_modify_header \- Flow action modify header for
mlx5 provider
.SH SYNOPSIS
.IP
.nf
\f[C]
#include\ <infiniband/mlx5dv.h>

struct\ ibv_flow_action\ *
mlx5dv_create_flow_action_modify_header(struct\ ibv_context\ *ctx,
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ size_t\ actions_sz,
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ uint64_t\ actions[],
\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ enum\ mlx5dv_flow_table_type\ ft_type)
\f[]
.fi
.SH DESCRIPTION
.PP
Create a modify header flow steering action, it allows mutating a packet
header.
.SH ARGUMENTS
.TP
.B \f[I]ctx\f[]
RDMA device context to create the action on.
.RS
.RE
.TP
.B \f[I]actions_sz\f[]
The size of \f[I]actions\f[] buffer in bytes.
.RS
.RE
.TP
.B \f[I]actions\f[]
A buffer which contains modify actions provided in device spec format
(i.e.
be64).
.RS
.RE
.TP
.B \f[I]ft_type\f[]
Defines the flow table type to which the modify header action will be
attached.
.RS
.PP
MLX5DV_FLOW_TABLE_TYPE_NIC_RX: RX FLOW TABLE
.PP
MLX5DV_FLOW_TABLE_TYPE_NIC_TX: TX FLOW TABLE
.RE
.SH RETURN VALUE
.PP
Upon success \f[I]mlx5dv_create_flow_action_modify_header\f[] will
return a new \f[I]struct ibv_flow_action\f[] object, on error NULL will
be returned and errno will be set.
.SH SEE ALSO
.PP
\f[I]ibv_create_flow(3)\f[], \f[I]ibv_create_flow_action(3)\f[]