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authorLinus Torvalds2019-07-11 19:55:49 +0200
committerLinus Torvalds2019-07-11 19:55:49 +0200
commit237f83dfbe668443b5e31c3c7576125871cca674 (patch)
tree11848a8d0aa414a1d3ce2024e181071b1d9dea08 /drivers/net/ethernet/freescale/dpaa2/dprtc.c
parentMerge tag 'clone3-v5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brau... (diff)
parentnet/mlx5e: Return in default case statement in tx_post_resync_params (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller: "Some highlights from this development cycle: 1) Big refactoring of ipv6 route and neigh handling to support nexthop objects configurable as units from userspace. From David Ahern. 2) Convert explored_states in BPF verifier into a hash table, significantly decreased state held for programs with bpf2bpf calls, from Alexei Starovoitov. 3) Implement bpf_send_signal() helper, from Yonghong Song. 4) Various classifier enhancements to mvpp2 driver, from Maxime Chevallier. 5) Add aRFS support to hns3 driver, from Jian Shen. 6) Fix use after free in inet frags by allocating fqdirs dynamically and reworking how rhashtable dismantle occurs, from Eric Dumazet. 7) Add act_ctinfo packet classifier action, from Kevin Darbyshire-Bryant. 8) Add TFO key backup infrastructure, from Jason Baron. 9) Remove several old and unused ISDN drivers, from Arnd Bergmann. 10) Add devlink notifications for flash update status to mlxsw driver, from Jiri Pirko. 11) Lots of kTLS offload infrastructure fixes, from Jakub Kicinski. 12) Add support for mv88e6250 DSA chips, from Rasmus Villemoes. 13) Various enhancements to ipv6 flow label handling, from Eric Dumazet and Willem de Bruijn. 14) Support TLS offload in nfp driver, from Jakub Kicinski, Dirk van der Merwe, and others. 15) Various improvements to axienet driver including converting it to phylink, from Robert Hancock. 16) Add PTP support to sja1105 DSA driver, from Vladimir Oltean. 17) Add mqprio qdisc offload support to dpaa2-eth, from Ioana Radulescu. 18) Add devlink health reporting to mlx5, from Moshe Shemesh. 19) Convert stmmac over to phylink, from Jose Abreu. 20) Add PTP PHC (Physical Hardware Clock) support to mlxsw, from Shalom Toledo. 21) Add nftables SYNPROXY support, from Fernando Fernandez Mancera. 22) Convert tcp_fastopen over to use SipHash, from Ard Biesheuvel. 23) Track spill/fill of constants in BPF verifier, from Alexei Starovoitov. 24) Support bounded loops in BPF, from Alexei Starovoitov. 25) Various page_pool API fixes and improvements, from Jesper Dangaard Brouer. 26) Just like ipv4, support ref-countless ipv6 route handling. From Wei Wang. 27) Support VLAN offloading in aquantia driver, from Igor Russkikh. 28) Add AF_XDP zero-copy support to mlx5, from Maxim Mikityanskiy. 29) Add flower GRE encap/decap support to nfp driver, from Pieter Jansen van Vuuren. 30) Protect against stack overflow when using act_mirred, from John Hurley. 31) Allow devmap map lookups from eBPF, from Toke Høiland-Jørgensen. 32) Use page_pool API in netsec driver, Ilias Apalodimas. 33) Add Google gve network driver, from Catherine Sullivan. 34) More indirect call avoidance, from Paolo Abeni. 35) Add kTLS TX HW offload support to mlx5, from Tariq Toukan. 36) Add XDP_REDIRECT support to bnxt_en, from Andy Gospodarek. 37) Add MPLS manipulation actions to TC, from John Hurley. 38) Add sending a packet to connection tracking from TC actions, and then allow flower classifier matching on conntrack state. From Paul Blakey. 39) Netfilter hw offload support, from Pablo Neira Ayuso" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2080 commits) net/mlx5e: Return in default case statement in tx_post_resync_params mlx5: Return -EINVAL when WARN_ON_ONCE triggers in mlx5e_tls_resync(). net: dsa: add support for BRIDGE_MROUTER attribute pkt_sched: Include const.h net: netsec: remove static declaration for netsec_set_tx_de() net: netsec: remove superfluous if statement netfilter: nf_tables: add hardware offload support net: flow_offload: rename tc_cls_flower_offload to flow_cls_offload net: flow_offload: add flow_block_cb_is_busy() and use it net: sched: remove tcf block API drivers: net: use flow block API net: sched: use flow block API net: flow_offload: add flow_block_cb_{priv, incref, decref}() net: flow_offload: add list handling functions net: flow_offload: add flow_block_cb_alloc() and flow_block_cb_free() net: flow_offload: rename TCF_BLOCK_BINDER_TYPE_* to FLOW_BLOCK_BINDER_TYPE_* net: flow_offload: rename TC_BLOCK_{UN}BIND to FLOW_BLOCK_{UN}BIND net: flow_offload: add flow_block_cb_setup_simple() net: hisilicon: Add an tx_desc to adapt HI13X1_GMAC net: hisilicon: Add an rx_desc to adapt HI13X1_GMAC ...
Diffstat (limited to 'drivers/net/ethernet/freescale/dpaa2/dprtc.c')
-rw-r--r--drivers/net/ethernet/freescale/dpaa2/dprtc.c191
1 files changed, 145 insertions, 46 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dprtc.c b/drivers/net/ethernet/freescale/dpaa2/dprtc.c
index c13e09bc7b9d..ed52a34fa6a1 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dprtc.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dprtc.c
@@ -74,121 +74,220 @@ int dprtc_close(struct fsl_mc_io *mc_io,
}
/**
- * dprtc_set_freq_compensation() - Sets a new frequency compensation value.
+ * dprtc_set_irq_enable() - Set overall interrupt state.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @en: Interrupt state - enable = 1, disable = 0
*
- * @mc_io: Pointer to MC portal's I/O object
- * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
- * @token: Token of DPRTC object
- * @freq_compensation: The new frequency compensation value to set.
+ * Allows GPP software to control when interrupts are generated.
+ * Each interrupt can have up to 32 causes. The enable/disable control's the
+ * overall interrupt state. if the interrupt is disabled no causes will cause
+ * an interrupt.
*
* Return: '0' on Success; Error code otherwise.
*/
-int dprtc_set_freq_compensation(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- u32 freq_compensation)
+int dprtc_set_irq_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 en)
{
- struct dprtc_get_freq_compensation *cmd_params;
+ struct dprtc_cmd_set_irq_enable *cmd_params;
struct fsl_mc_command cmd = { 0 };
- cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_FREQ_COMPENSATION,
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_IRQ_ENABLE,
cmd_flags,
token);
- cmd_params = (struct dprtc_get_freq_compensation *)cmd.params;
- cmd_params->freq_compensation = cpu_to_le32(freq_compensation);
+ cmd_params = (struct dprtc_cmd_set_irq_enable *)cmd.params;
+ cmd_params->irq_index = irq_index;
+ cmd_params->en = en;
return mc_send_command(mc_io, &cmd);
}
/**
- * dprtc_get_freq_compensation() - Retrieves the frequency compensation value
+ * dprtc_get_irq_enable() - Get overall interrupt state
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @en: Returned interrupt state - enable = 1, disable = 0
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_get_irq_enable(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u8 *en)
+{
+ struct dprtc_rsp_get_irq_enable *rsp_params;
+ struct dprtc_cmd_get_irq *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+ int err;
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_ENABLE,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_get_irq *)cmd.params;
+ cmd_params->irq_index = irq_index;
+
+ err = mc_send_command(mc_io, &cmd);
+ if (err)
+ return err;
+
+ rsp_params = (struct dprtc_rsp_get_irq_enable *)cmd.params;
+ *en = rsp_params->en;
+
+ return 0;
+}
+
+/**
+ * dprtc_set_irq_mask() - Set interrupt mask.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @mask: Event mask to trigger interrupt;
+ * each bit:
+ * 0 = ignore event
+ * 1 = consider event for asserting IRQ
+ *
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dprtc_set_irq_mask(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 mask)
+{
+ struct dprtc_cmd_set_irq_mask *cmd_params;
+ struct fsl_mc_command cmd = { 0 };
+
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_IRQ_MASK,
+ cmd_flags,
+ token);
+ cmd_params = (struct dprtc_cmd_set_irq_mask *)cmd.params;
+ cmd_params->mask = cpu_to_le32(mask);
+ cmd_params->irq_index = irq_index;
+
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dprtc_get_irq_mask() - Get interrupt mask.
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPRTC object
+ * @irq_index: The interrupt index to configure
+ * @mask: Returned event mask to trigger interrupt
*
- * @mc_io: Pointer to MC portal's I/O object
- * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
- * @token: Token of DPRTC object
- * @freq_compensation: Frequency compensation value
+ * Every interrupt can have up to 32 causes and the interrupt model supports
+ * masking/unmasking each cause independently
*
* Return: '0' on Success; Error code otherwise.
*/
-int dprtc_get_freq_compensation(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- u32 *freq_compensation)
+int dprtc_get_irq_mask(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *mask)
{
- struct dprtc_get_freq_compensation *rsp_params;
+ struct dprtc_rsp_get_irq_mask *rsp_params;
+ struct dprtc_cmd_get_irq *cmd_params;
struct fsl_mc_command cmd = { 0 };
int err;
- cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_FREQ_COMPENSATION,
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_MASK,
cmd_flags,
token);
+ cmd_params = (struct dprtc_cmd_get_irq *)cmd.params;
+ cmd_params->irq_index = irq_index;
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
- rsp_params = (struct dprtc_get_freq_compensation *)cmd.params;
- *freq_compensation = le32_to_cpu(rsp_params->freq_compensation);
+ rsp_params = (struct dprtc_rsp_get_irq_mask *)cmd.params;
+ *mask = le32_to_cpu(rsp_params->mask);
return 0;
}
/**
- * dprtc_get_time() - Returns the current RTC time.
+ * dprtc_get_irq_status() - Get the current status of any pending interrupts.
*
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRTC object
- * @time: Current RTC time.
+ * @irq_index: The interrupt index to configure
+ * @status: Returned interrupts status - one bit per cause:
+ * 0 = no interrupt pending
+ * 1 = interrupt pending
*
* Return: '0' on Success; Error code otherwise.
*/
-int dprtc_get_time(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- uint64_t *time)
+int dprtc_get_irq_status(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 *status)
{
- struct dprtc_time *rsp_params;
+ struct dprtc_cmd_get_irq_status *cmd_params;
+ struct dprtc_rsp_get_irq_status *rsp_params;
struct fsl_mc_command cmd = { 0 };
int err;
- cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_TIME,
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_GET_IRQ_STATUS,
cmd_flags,
token);
+ cmd_params = (struct dprtc_cmd_get_irq_status *)cmd.params;
+ cmd_params->status = cpu_to_le32(*status);
+ cmd_params->irq_index = irq_index;
err = mc_send_command(mc_io, &cmd);
if (err)
return err;
- rsp_params = (struct dprtc_time *)cmd.params;
- *time = le64_to_cpu(rsp_params->time);
+ rsp_params = (struct dprtc_rsp_get_irq_status *)cmd.params;
+ *status = le32_to_cpu(rsp_params->status);
return 0;
}
/**
- * dprtc_set_time() - Updates current RTC time.
+ * dprtc_clear_irq_status() - Clear a pending interrupt's status
*
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
* @token: Token of DPRTC object
- * @time: New RTC time.
+ * @irq_index: The interrupt index to configure
+ * @status: Bits to clear (W1C) - one bit per cause:
+ * 0 = don't change
+ * 1 = clear status bit
*
* Return: '0' on Success; Error code otherwise.
*/
-int dprtc_set_time(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- uint64_t time)
+int dprtc_clear_irq_status(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token,
+ u8 irq_index,
+ u32 status)
{
- struct dprtc_time *cmd_params;
+ struct dprtc_cmd_clear_irq_status *cmd_params;
struct fsl_mc_command cmd = { 0 };
- cmd.header = mc_encode_cmd_header(DPRTC_CMDID_SET_TIME,
+ cmd.header = mc_encode_cmd_header(DPRTC_CMDID_CLEAR_IRQ_STATUS,
cmd_flags,
token);
- cmd_params = (struct dprtc_time *)cmd.params;
- cmd_params->time = cpu_to_le64(time);
+ cmd_params = (struct dprtc_cmd_clear_irq_status *)cmd.params;
+ cmd_params->irq_index = irq_index;
+ cmd_params->status = cpu_to_le32(status);
return mc_send_command(mc_io, &cmd);
}