mlx5hws_rule_action_update(9)

💅 mlx5hws_rule_action_update — the Kernel API Manual, but make it make sense ✨

okay so bestie, welcome to the mlx5hws_rule_action_update(9) page 💖 this is a Kernel API Manual entry, and honestly? it's a glow-up moment for a rule you already made. let's get into it 🎀

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✨ NAME ✨

mlx5hws_rule_action_update — enqueue update actions on an existing rule, periodt 🔥

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🦋 SYNOPSIS 🦋

int mlx5hws_rule_action_update (struct mlx5hws_rule *rule , u8 at_idx ,
struct mlx5hws_rule_action rule_actions[] , struct mlx5hws_rule_attr
*attr );

like, that's the whole signature, no cap 💅

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🌸 ARGUMENTS 🌸

• rule — a valid rule handle to update. it has to be valid, bestie, this is not the moment to be handing over a fake one 😭
• at_idx — the action template index you're updating the actions with. it's u8, it's cute, it's the where 🎯
• rule_actions — the rule actions to be executed on match. this is the main character array fr fr 👑
• attr — the rule update attributes. the vibes, the metadata, the struct mlx5hws_rule_attr of it all 🫶

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⭐ RETURN ⭐

Zero on successful enqueue, non-zero otherwise. that's it. zero = slay, not-zero = not slay 💀

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🧚 SEE ALSO 🧚

so here's the full friend group, iykyk 🌈

Kernel file ./drivers/net/ethernet/mellanox/mlx5/core/steering/hws/mlx5hws.h

and all these iconic friends:

• mlx5hws_is_supported(9)
• mlx5hws_context_open(9)
• mlx5hws_context_close(9)
• mlx5hws_context_set_peer(9)
• mlx5hws_table_create(9)
• mlx5hws_table_destroy(9)
• mlx5hws_table_get_id(9)
• mlx5hws_table_set_default_miss(9)
• mlx5hws_match_template_create(9)
• mlx5hws_match_template_destroy(9)
• mlx5hws_action_template_create(9)
• mlx5hws_action_template_destroy(9)
• mlx5hws_matcher_create(9)
• mlx5hws_matcher_destroy(9)
• mlx5hws_matcher_attach_at(9)
• mlx5hws_matcher_resize_set_target(9)
• mlx5hws_matcher_resize_rule_move(9)
• mlx5hws_rule_create(9)
• mlx5hws_rule_destroy(9)
• mlx5hws_action_get_type(9)
• mlx5hws_action_get_dev(9)
• mlx5hws_action_create_dest_drop(9)
• mlx5hws_action_create_default_miss(9)
• mlx5hws_action_create_dest_table(9)
• mlx5hws_action_create_dest_table_num(9)
• mlx5hws_action_create_dest_match_range(9)
• mlx5hws_action_create_flow_sampler(9)
• mlx5hws_action_create_dest_vport(9)
• mlx5hws_action_create_tag(9)
• mlx5hws_action_create_counter(9)
• mlx5hws_action_create_reformat(9)
• mlx5hws_action_create_modify_header(9)
• mlx5hws_action_create_aso_meter(9)
• mlx5hws_action_create_pop_vlan(9)
• mlx5hws_action_create_push_vlan(9)
• mlx5hws_action_create_dest_array(9)
• mlx5hws_action_create_insert_header(9)
• mlx5hws_action_create_remove_header(9)
• mlx5hws_action_create_last(9)
• mlx5hws_action_destroy(9)
• mlx5hws_send_queue_poll(9)
• mlx5hws_send_queue_action(9)
• mlx5hws_debug_dump(9)
• mlx5hws_bwc_matcher_create(9)
• mlx5hws_bwc_matcher_destroy(9)
• mlx5hws_bwc_rule_create(9)
• mlx5hws_bwc_rule_destroy(9)
• mlx5hws_bwc_rule_action_update(9)

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okay and one lil sign-off 🎀 this page came from ./drivers/net/ethernet/mellano... (yes it's truncated in the source, don't come for me 🙈) and it's dated October 2026. stay hydrated, keep your rule handles valid, mwah 💜