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If a thread doing DPAA2 i/o do not have portal, it will allocate it on run-time. This may cause a delay in the datapath at run-time. To avoid it, it is better to allocate a hw context portal at the start of thread expected to do i/o with DPAA2 hardware. This patch makes necessary changes for the same and creates a pmd API to allocate a hw context portal for a thread. Signed-off-by: Nipun Gupta --- drivers/bus/fslmc/portal/dpaa2_hw_dpio.c | 10 +++++----- drivers/net/dpaa2/dpaa2_ethdev.c | 16 ++++++++++++++++ drivers/net/dpaa2/rte_pmd_dpaa2.h | 10 ++++++++++ drivers/net/dpaa2/version.map | 2 ++ 4 files changed, 33 insertions(+), 5 deletions(-) diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c index c224a883ae..1a1e437ed1 100644 --- a/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c +++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpio.c @@ -20,7 +20,8 @@ #include #include #include -#include +#include +#include #include #include @@ -168,7 +169,7 @@ dpaa2_affine_dpio_intr_to_respective_core(int32_t dpio_id, int cpu_id) fclose(file); } -static int dpaa2_dpio_intr_init(struct dpaa2_dpio_dev *dpio_dev, int cpu_id) +static int dpaa2_dpio_intr_init(struct dpaa2_dpio_dev *dpio_dev) { struct epoll_event epoll_ev; int eventfd, dpio_epoll_fd, ret; @@ -205,8 +206,6 @@ static int dpaa2_dpio_intr_init(struct dpaa2_dpio_dev *dpio_dev, int cpu_id) } dpio_dev->epoll_fd = dpio_epoll_fd; - dpaa2_affine_dpio_intr_to_respective_core(dpio_dev->hw_id, cpu_id); - return 0; } @@ -242,10 +241,11 @@ dpaa2_configure_stashing(struct dpaa2_dpio_dev *dpio_dev, int cpu_id) } #ifdef RTE_EVENT_DPAA2 - if (dpaa2_dpio_intr_init(dpio_dev, cpu_id)) { + if (dpaa2_dpio_intr_init(dpio_dev)) { DPAA2_BUS_ERR("Interrupt registration failed for dpio"); return -1; } + dpaa2_affine_dpio_intr_to_respective_core(dpio_dev->hw_id, cpu_id); #endif return 0; diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c index 8b803b8542..d892819a7e 100644 --- a/drivers/net/dpaa2/dpaa2_ethdev.c +++ b/drivers/net/dpaa2/dpaa2_ethdev.c @@ -2382,6 +2382,22 @@ dpaa2_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *ops) return 0; } +void +rte_pmd_dpaa2_thread_init(void) +{ + int ret; + + if (unlikely(!DPAA2_PER_LCORE_DPIO)) { + ret = dpaa2_affine_qbman_swp(); + if (ret) { + DPAA2_PMD_ERR( + "Failed to allocate IO portal, tid: %d\n", + rte_gettid()); + return; + } + } +} + static struct eth_dev_ops dpaa2_ethdev_ops = { .dev_configure = dpaa2_eth_dev_configure, .dev_start = dpaa2_dev_start, diff --git a/drivers/net/dpaa2/rte_pmd_dpaa2.h b/drivers/net/dpaa2/rte_pmd_dpaa2.h index 7204a8f951..84ac9d38d1 100644 --- a/drivers/net/dpaa2/rte_pmd_dpaa2.h +++ b/drivers/net/dpaa2/rte_pmd_dpaa2.h @@ -84,4 +84,14 @@ rte_pmd_dpaa2_set_custom_hash(uint16_t port_id, uint16_t offset, uint8_t size); +/** + * @warning + * @b EXPERIMENTAL: this API may change, or be removed, without prior notice + * + * Do thread specific initialization + */ +__rte_experimental +void +rte_pmd_dpaa2_thread_init(void); + #endif /* _RTE_PMD_DPAA2_H */ diff --git a/drivers/net/dpaa2/version.map b/drivers/net/dpaa2/version.map index b50da13bcb..49f69dacd2 100644 --- a/drivers/net/dpaa2/version.map +++ b/drivers/net/dpaa2/version.map @@ -6,6 +6,8 @@ EXPERIMENTAL { # added in 21.05 rte_pmd_dpaa2_mux_rx_frame_len; + # added in 21.08 + rte_pmd_dpaa2_thread_init; }; INTERNAL { -- 2.17.1