From f05ec7d77e416d8cab6ff12025e0efd56c584152 Mon Sep 17 00:00:00 2001 From: Jingjing Wu Date: Fri, 21 Nov 2014 08:46:37 +0800 Subject: [PATCH] i40e: initialize flow director flexible payload setting set flexible payload related registers to default value at initialization time. Signed-off-by: Jingjing Wu Acked-by: Konstantin Ananyev --- lib/librte_pmd_i40e/i40e_ethdev.c | 36 ++++++++++++++++++++++++++ lib/librte_pmd_i40e/i40e_ethdev.h | 35 +++++++++++++++++++++++++ lib/librte_pmd_i40e/i40e_fdir.c | 43 +++++++++++++++++++++++++++++++ 3 files changed, 114 insertions(+) diff --git a/lib/librte_pmd_i40e/i40e_ethdev.c b/lib/librte_pmd_i40e/i40e_ethdev.c index 4ebb981654..7dd070881b 100644 --- a/lib/librte_pmd_i40e/i40e_ethdev.c +++ b/lib/librte_pmd_i40e/i40e_ethdev.c @@ -316,6 +316,35 @@ static struct rte_driver rte_i40e_driver = { PMD_REGISTER_DRIVER(rte_i40e_driver); +/* + * Initialize registers for flexible payload, which should be set by NVM. + * This should be removed from code once it is fixed in NVM. + */ +#ifndef I40E_GLQF_ORT +#define I40E_GLQF_ORT(_i) (0x00268900 + ((_i) * 4)) +#endif +#ifndef I40E_GLQF_PIT +#define I40E_GLQF_PIT(_i) (0x00268C80 + ((_i) * 4)) +#endif + +static inline void i40e_flex_payload_reg_init(struct i40e_hw *hw) +{ + I40E_WRITE_REG(hw, I40E_GLQF_ORT(18), 0x00000030); + I40E_WRITE_REG(hw, I40E_GLQF_ORT(19), 0x00000030); + I40E_WRITE_REG(hw, I40E_GLQF_ORT(26), 0x0000002B); + I40E_WRITE_REG(hw, I40E_GLQF_ORT(30), 0x0000002B); + I40E_WRITE_REG(hw, I40E_GLQF_ORT(33), 0x000000E0); + I40E_WRITE_REG(hw, I40E_GLQF_ORT(34), 0x000000E3); + I40E_WRITE_REG(hw, I40E_GLQF_ORT(35), 0x000000E6); + I40E_WRITE_REG(hw, I40E_GLQF_ORT(20), 0x00000031); + I40E_WRITE_REG(hw, I40E_GLQF_ORT(23), 0x00000031); + I40E_WRITE_REG(hw, I40E_GLQF_ORT(63), 0x0000002D); + + /* GLQF_PIT Registers */ + I40E_WRITE_REG(hw, I40E_GLQF_PIT(16), 0x00007480); + I40E_WRITE_REG(hw, I40E_GLQF_PIT(17), 0x00007440); +} + static int eth_i40e_dev_init(__rte_unused struct eth_driver *eth_drv, struct rte_eth_dev *dev) @@ -379,6 +408,13 @@ eth_i40e_dev_init(__rte_unused struct eth_driver *eth_drv, return ret; } + /* + * To work around the NVM issue,initialize registers + * for flexible payload by software. + * It should be removed once issues are fixed in NVM. + */ + i40e_flex_payload_reg_init(hw); + /* Initialize the parameters for adminq */ i40e_init_adminq_parameter(hw); ret = i40e_init_adminq(hw); diff --git a/lib/librte_pmd_i40e/i40e_ethdev.h b/lib/librte_pmd_i40e/i40e_ethdev.h index eeae8bc604..9e4e6d6e2f 100644 --- a/lib/librte_pmd_i40e/i40e_ethdev.h +++ b/lib/librte_pmd_i40e/i40e_ethdev.h @@ -80,6 +80,17 @@ #define I40E_48_BIT_WIDTH (CHAR_BIT * 6) #define I40E_48_BIT_MASK RTE_LEN2MASK(I40E_48_BIT_WIDTH, uint64_t) +/* index flex payload per layer */ +enum i40e_flxpld_layer_idx { + I40E_FLXPLD_L2_IDX = 0, + I40E_FLXPLD_L3_IDX = 1, + I40E_FLXPLD_L4_IDX = 2, + I40E_MAX_FLXPLD_LAYER = 3, +}; +#define I40E_MAX_FLXPLD_FIED 3 /* max number of flex payload fields */ +#define I40E_FDIR_BITMASK_NUM_WORD 2 /* max number of bitmask words */ +#define I40E_FDIR_MAX_FLEXWORD_NUM 8 /* max number of flexpayload words */ + /* i40e flags */ #define I40E_FLAG_RSS (1ULL << 0) #define I40E_FLAG_DCB (1ULL << 1) @@ -266,6 +277,24 @@ struct i40e_vmdq_info { struct i40e_vsi *vsi; }; +/* + * Structure to store flex pit for flow diretor. + */ +struct i40e_fdir_flex_pit { + uint8_t src_offset; /* offset in words from the beginning of payload */ + uint8_t size; /* size in words */ + uint8_t dst_offset; /* offset in words of flexible payload */ +}; + +struct i40e_fdir_flex_mask { + uint8_t word_mask; /**< Bit i enables word i of flexible payload */ + struct { + uint8_t offset; + uint16_t mask; + } bitmask[I40E_FDIR_BITMASK_NUM_WORD]; +}; + +#define I40E_FILTER_PCTYPE_MAX 64 /* * A structure used to define fields of a FDIR related info. */ @@ -276,6 +305,12 @@ struct i40e_fdir_info { struct i40e_rx_queue *rxq; void *prg_pkt; /* memory for fdir program packet */ uint64_t dma_addr; /* physic address of packet memory*/ + /* + * the rule how bytes stream is extracted as flexible payload + * for each payload layer, the setting can up to three elements + */ + struct i40e_fdir_flex_pit flex_set[I40E_MAX_FLXPLD_LAYER * I40E_MAX_FLXPLD_FIED]; + struct i40e_fdir_flex_mask flex_mask[I40E_FILTER_PCTYPE_MAX]; }; /* diff --git a/lib/librte_pmd_i40e/i40e_fdir.c b/lib/librte_pmd_i40e/i40e_fdir.c index 23196f6e34..74556d42f1 100644 --- a/lib/librte_pmd_i40e/i40e_fdir.c +++ b/lib/librte_pmd_i40e/i40e_fdir.c @@ -264,6 +264,47 @@ i40e_fdir_empty(struct i40e_hw *hw) return 0; } +/* + * Initialize the configuration about bytes stream extracted as flexible payload + * and mask setting + */ +static inline void +i40e_init_flx_pld(struct i40e_pf *pf) +{ + struct i40e_hw *hw = I40E_PF_TO_HW(pf); + uint8_t pctype; + int i, index; + + /* + * Define the bytes stream extracted as flexible payload in + * field vector. By default, select 8 words from the beginning + * of payload as flexible payload. + */ + for (i = I40E_FLXPLD_L2_IDX; i < I40E_MAX_FLXPLD_LAYER; i++) { + index = i * I40E_MAX_FLXPLD_FIED; + pf->fdir.flex_set[index].src_offset = 0; + pf->fdir.flex_set[index].size = I40E_FDIR_MAX_FLEXWORD_NUM; + pf->fdir.flex_set[index].dst_offset = 0; + I40E_WRITE_REG(hw, I40E_PRTQF_FLX_PIT(index), 0x0000C900); + I40E_WRITE_REG(hw, + I40E_PRTQF_FLX_PIT(index + 1), 0x0000FC29);/*non-used*/ + I40E_WRITE_REG(hw, + I40E_PRTQF_FLX_PIT(index + 2), 0x0000FC2A);/*non-used*/ + } + + /* initialize the masks */ + for (pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP; + pctype <= I40E_FILTER_PCTYPE_FRAG_IPV6; pctype++) { + pf->fdir.flex_mask[pctype].word_mask = 0; + I40E_WRITE_REG(hw, I40E_PRTQF_FD_FLXINSET(pctype), 0); + for (i = 0; i < I40E_FDIR_BITMASK_NUM_WORD; i++) { + pf->fdir.flex_mask[pctype].bitmask[i].offset = 0; + pf->fdir.flex_mask[pctype].bitmask[i].mask = 0; + I40E_WRITE_REG(hw, I40E_PRTQF_FD_MSK(pctype, i), 0); + } + } +} + /* * Configure flow director related setting */ @@ -294,6 +335,8 @@ i40e_fdir_configure(struct rte_eth_dev *dev) /* enable FDIR filter */ val |= I40E_PFQF_CTL_0_FD_ENA_MASK; I40E_WRITE_REG(hw, I40E_PFQF_CTL_0, val); + + i40e_init_flx_pld(pf); /* set flex config to default value */ } else { /* disable FDIR filter */ val &= ~I40E_PFQF_CTL_0_FD_ENA_MASK; -- 2.20.1