Mellanox PMDs (mlx4 and mlx5) support link status notification with libibverbs through a file descriptor, in a manner reminiscent of UIO/VFIO.
It still requires a new "external" interrupt handler type since contrary to other types, this file descriptor must not be processed by EAL. Nelio Laranjeiro (3): eal: new interrupt handler type mlx4: handle interrupts mlx5: handle interrupts drivers/net/mlx4/mlx4.c | 166 +++++++++++++++++++++ drivers/net/mlx4/mlx4.h | 3 + drivers/net/mlx5/mlx5.c | 3 + drivers/net/mlx5/mlx5.h | 7 + drivers/net/mlx5/mlx5_defs.h | 3 + drivers/net/mlx5/mlx5_ethdev.c | 150 +++++++++++++++++++ drivers/net/mlx5/mlx5_trigger.c | 4 + lib/librte_eal/linuxapp/eal/eal_interrupts.c | 34 +++-- .../linuxapp/eal/include/exec-env/rte_interrupts.h | 1 + 9 files changed, 356 insertions(+), 15 deletions(-) -- 2.1.0
