Line data    Source code

       1             : #include "configure.h"
       2             : #include "fd_ethtool_ioctl.h"
       3             : #include "../../../../disco/net/mlx5/fd_mlx5.h"
       4             : 
       5             : #include <linux/capability.h>
       6             : 
       7             : static int
       8           0 : enabled( config_t const * config ) {
       9           0 :   return !strcmp( config->net.provider, "mlx5" );
      10           0 : }
      11             : 
      12             : static void
      13             : init_perm( fd_cap_chk_t   * chk,
      14           0 :            config_t const * config FD_PARAM_UNUSED ) {
      15           0 :   fd_cap_chk_root( chk, "mlx5", "configure mlx5 network devices and load the ib_uverbs kernel module" );
      16           0 :   if( !fd_mlx5_uverbs_avail() ) {
      17           0 :     fd_cap_chk_cap( chk, "mlx5", CAP_SYS_MODULE, "run modprobe to load the ib_uverbs kernel module" );
      18           0 :   }
      19           0 : }
      20             : 
      21             : static void
      22             : fini_perm( fd_cap_chk_t   * chk,
      23           0 :            config_t const * config FD_PARAM_UNUSED ) {
      24           0 :   fd_cap_chk_root( chk, "mlx5", "modify network device configuration with ethtool" );
      25           0 : }
      26             : 
      27             : static void
      28           0 : init( config_t const * config FD_PARAM_UNUSED ) {
      29           0 :   if( !fd_mlx5_uverbs_avail() ) {
      30           0 :     FD_LOG_NOTICE(( "%sRUN: `modprobe ib_uverbs`%s", fd_log_style_dim(), fd_log_style_normal() ));
      31           0 :     if( FD_UNLIKELY( fd_mlx5_uverbs_modprobe( 0 ) ) ) {
      32           0 :       FD_LOG_ERR(( "failed to load ib_uverbs kernel module. "
      33           0 :                    "Run `sudo modprobe ib_uverbs` and retry" ));
      34           0 :     }
      35           0 :     if( FD_UNLIKELY( !fd_mlx5_uverbs_avail() ) ) {
      36           0 :       FD_LOG_ERR(( "failed to run mlx5 tile: uverbs interface still unavailable after trying to load ib_uverbs kernel module. "
      37           0 :                    "Please set [net.provider] to `xdp`" ));
      38           0 :     }
      39           0 :   }
      40           0 : }
      41             : 
      42             : static int
      43             : fini( config_t const * config,
      44           0 :       int              pre_init FD_PARAM_UNUSED ) {
      45           0 :   return fd_ethtool_ioctl_reset( config->net.interface );
      46           0 : }
      47             : 
      48             : static configure_result_t
      49             : check( config_t const * config,
      50           0 :        int              check_type ) {
      51           0 :   int is_modified = fd_ethtool_ioctl_is_modified( config->net.interface );
      52           0 :   if( FD_UNLIKELY( is_modified ) ) {
      53           0 :     PARTIALLY_CONFIGURED( "device `%s` has ethtool configuration left by the xdp provider", config->net.interface );
      54           0 :   }
      55             : 
      56           0 :   if( check_type==FD_CONFIGURE_CHECK_TYPE_FINI_PERM ||
      57           0 :       check_type==FD_CONFIGURE_CHECK_TYPE_PRE_FINI  ||
      58           0 :       check_type==FD_CONFIGURE_CHECK_TYPE_POST_FINI ) {
      59           0 :     NOT_CONFIGURED( "device `%s` has no ethtool configuration to clear", config->net.interface );
      60           0 :   }
      61             : 
      62           0 :   if( !fd_mlx5_uverbs_avail() ) NOT_CONFIGURED( "uverbs interface unavailable" );
      63           0 :   CONFIGURE_OK();
      64           0 : }
      65             : 
      66             : configure_stage_t fd_cfg_stage_mlx5 = {
      67             :   .name      = "mlx5",
      68             :   .enabled   = enabled,
      69             :   .init_perm = init_perm,
      70             :   .fini_perm = fini_perm,
      71             :   .init      = init,
      72             :   .fini      = fini,
      73             :   .check     = check,
      74             : };